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- Association for Learning Development in Higher Education
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- Association for Roman Archaeology
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- Association of British Philatelic Societies
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- British Cactus and Succulent Society (BCSS)
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- British Dowsers
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- British Geological Survey
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- British Lichen Society
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- Buddhist Society, The
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- Central Association of BeeKeepers, The
- Charles Close Society for the Study of Ordnance Survey Maps, The
- Chartered Institute of Ergonomics & Human Factors
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- Churches Together in Britain and Ireland
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- Computer Conservation Society
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- Early Dance Circle, The
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- Economic & Social Research Council
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- Federation of Astronomical Societies
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- France & Colonies Philatelic Society (UK)
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- Humanists UK
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- Institute of Islamic Banking and Insurance
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- International Association for the Study of Arabia
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- Irving Society, The
- Islamic Foundation, The
- Islamic Society of Britain
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- Malaya Study Group
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- National Association of Flower Arrangement Societies
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- National Vegetable Society
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- Online Guild of Weavers, Spinners and Dyers
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- Open University Geological Society
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- Oriental Ceramic Society, The
- Oriental Rug and Textile Society of Great Britain
- Overseas Development Institute
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- Pain Relief Foundation
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- Panpsycast Philosophy Podcast, The
- People's Trust for Endangered Species
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- Philosophy in Pubs
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- Prehistoric Society, The
- Printing Historical Society
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- Quaker Family History Society
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- Railfuture
- Railway & Canal Historical Society (RCHS)
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- Rationalist Association
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- Richard III Society
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- Romantic Novelists' Association
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- Royal Collection Trust
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- Royal Institute of British Architects (RIBA)
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- Royal Numismatic Society, The
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- Royal School of Needlework
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- Royal Statistical Society
- RSPB (Royal Society for the Protection of Birds)
- RSVP: The Research Society for Victorian Periodicals
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- Saudi-British Society
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- Sense about Science
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- Skeptics in the Pub
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- Society for Church Archaeology
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- Society for Research into Higher Education
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- Society for the Protection of Ancient Buildings (SPAB)
- Society for the Study of French History, The
- Society for the Study of Labour History
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- Society of Analytical Psychology, The
- Society of Authors, The
- Society of Automotive Historians
- Society of Bookbinders
- Society of Chemical Industry (SCI)
- Society of Cosmetic Scientists
- Society of Genealogists
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- Soil Association
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- Squiggle Foundation, The
- Strict Baptist Historical Society
- Subterranea Britannica
- Systematics Association
- Tate Gallery Group
- The Arts Society
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- The Skeptic
- The University of The Third Age (U3A)
- The Wildlife Trusts
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- Tiles & Architectural Ceramics Society
- Twentieth Century Society
- United Nations Association of the UK
- Vernacular Architecture Group
- Victorian Military Society
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- WEA - Adult Learning Within Reach
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- Wildfowl & Wetlands Trust
- William Temple Foundation
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- Botanical Society of Scotland - Aberdeen
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- Cairngorm Club, The
- Cruickshank Botanic Garden
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- Granite Noir
- National Trust for Scotland Members' Centres - Aberdeen & District
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- Scottish Rock Garden Club - Aberdeen
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- University of Aberdeen
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- Family History Society of Buchan
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- Inverurie Flower Club
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- National Trust for Scotland Members’ Centres - North East Aberdeenshire
- Stonehaven & District Floral Art Club
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- Abingdon Camera Club
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- Abingdon Flower Club
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- ATOM Festival of Science and Technology
- Berkshire Family History Society - Abingdon
- Dorchester Abbey
- Global Retreat Centre
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- Radley History Club
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- Accrington
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- AI: Artificial Intelligence
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- Hale Barns Flower Club
- National Trust Support - North Cheshire
- South Trafford Archaeological Group
- The Arts Society - Bowdon
- Trafford Philatelic Society
- America - North
- American Museum and Gardens
- Andrew Hook Centre for American Studies [Glasgow]
- British American Nineteenth Century Historians
- British Association for American Studies
- Centre of Canadian Studies [Edinburgh]
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- Historians of the Twentieth Century United States
- America - South
- Amersham
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- Angus & Dundee Bird Club
- Angus Herpetofauna, Friends of
- Arbroath Floral Club
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- East of Scotland Beekeepers Association
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- Montrose Natural History and Antiquarian Society
- National Trust for Scotland Members' Centres - Angus
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- Tayside Biodiversity Partnership
- Annual Lecture Series
- Aldeburgh Phoenix Club, The
- Caversham Heights Society
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- Mercers' Lectures
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- Roscoe Lecture Series [Liverpool John Moores]
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- Society of Thirteen, The
- Thomas Hardye School Community Lectures
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- Anthropology and Archaeology
- Anglo-Israel Archaeological Society
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- Department of Anthropology [LSE]
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- Department of Archaeology [Cambridge]
- Department of Archaeology [York]
- Department of Archaeology and Ancient History [Leicester]
- Institute of Archaeology [UCL]
- Pitt Rivers Museum
- Prehistoric Society, The
- Radical Anthropology Group
- Royal Anthropological Institute
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- Antiquarian Societies
- Anglesey Antiquarian Society
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- Kirkintilloch & District Society of Antiquaries
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- Merioneth Historical and Record Society
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- Worcestershire Historical Society
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- Antiquity
- Accordia Research Institute
- Ancient India & Iran Trust
- Centre for Medieval and Renaissance Studies [Liverpool]
- Classical Association
- Classics for All
- Egypt Exploration Society
- Faculty of Classics [Oxford]
- Institute of Classical Studies [London]
- Medievalists.net
- School of History, Archaeology and Religion [Cardiff]
- Society for Court Studies, The
- Society for the Promotion of Hellenic Studies
- Society for the Promotion of Roman Studies
- Viking Society for Northern Research
- Warburg Institute, The
- Antrim and Newtownabbey
- Archaeological Societies
- Abingdon Area Archaeological and Historical Society
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- Andover History & Archaeology Society
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- Archaeology for Communities in the Highlands
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- Chichester & District Archaeology Society
- Cirencester Archaeological and Historical Society
- City of London Archaeological Society
- Colchester Archaeological Group
- Combined Hertfordshire Archaeological Societies (CHAS)
- Cornwall Archaeological Society
- Coventry and District Archaeological Society
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- Didcot and District Archaeological and Historical Society
- East Dorset Antiquarian Society
- East Herts Archaeological Society
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- Edinburgh Archaeological Field Society
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- EMAS Archaeological Society
- Enfield Archaeological Society
- Essex Society for Archaeology and History
- Fen Edge Archaeology Group
- Glossop and Longdendale Archaeology Society
- Gloucestershire Archaeology
- Gwynedd Archaeological Trust
- Hampshire Field Club & Archaeological Society
- Hawick Archaeological Society
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- Henley Archaeological & Historical Group
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- Isle of Thanet Archaeological Society
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- Marlow Archaeology Group
- Medieval Settlement Research Group
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- Norfolk and Norwich Archaeological Society
- Norfolk Archaeological & Historical Research Group
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- Orpington and District Archaeological Society
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- Society for Church Archaeology
- South Oxfordshire Archaeological Group
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- Southwell Community Archaeology Group
- Stoke-on-Trent Museum Archaeological Society
- Suffolk Institute of Archaeology and History
- Surrey Archaeological Society
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- Sutton Hoo Society
- Thames Discovery Programme
- Till Valley Archaeological Society
- Ulster Archaeological Society
- WARG: The Society for Winchester Archaeology and Local History
- West Norfolk and Kings Lynn Archaeological Society
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- Wiltshire Archaeological & Natural History Society
- Wolverhampton Archaeology Group
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- Architecture and Design
- Architectural Association School of Architecture
- Architecture Diary, The
- Architecture Foundation
- Bartlett Faculty of the Built Environment [UCL]
- Charles Rennie Mackintosh Society
- Design Museum
- Design West
- Design:Midlands
- Docomomo UK
- London Festival of Architecture
- Martin Centre, The: Sustainable Buildings and Cities [Cambridge]
- Open-City
- Pugin Society, The
- Royal Incorporation of Architects in Scotland (RIAS)
- Royal Institute of British Architects (RIBA)
- School of Architecture, Planning & Landscape [Newcastle]
- Society of Architectural Historians of Great Britain, The
- Urban Design Group
- Vernacular Architecture Group
- Victoria and Albert Museum (V&A)
- Ards and North Down
- Argyll and Bute
- AHSS - Strathclyde
- Benmore Botanic Garden
- Colonsay Book Festival
- Cowal Camera Club
- Helensburgh & District Beekeepers Association
- Helensburgh & Gareloch Horticultural Society
- Helensburgh Art Club
- Islay Book Festival
- Islay Natural History Trust
- Lorn Archaeological & Historical Society
- Mid Argyll Camera Club
- National Trust for Scotland Members' Groups - Argyll
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- Royal Scottish Geographical Society - Helensburgh
- The Arts Society - Lomond & Argyll
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- Art Galleries
- Atkinson, The
- BALTIC Centre for Contemporary Art
- Barber Institute of Fine Arts, The
- Burton Art Gallery in Bideford
- Cartoon Museum, The
- Chisenhale Gallery
- Courtauld, The
- D6: Culture in Transit
- Drawing Room
- Dulwich Picture Gallery
- Estorick Collection of Modern Italian Art
- Fabrica
- Firstsite
- Gallery Oldham
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- Harbour House
- Hayward Gallery
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- Herbert Art Gallery & Museum
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- House for an Art Lover
- Impressions Gallery
- John Hansard Gallery
- Leamington Spa Art Gallery & Museum
- Manchester Art Gallery
- Mostyn
- National Galleries Scotland
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- Nottingham Contemporary
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- Watts Gallery
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- Williamson Art Gallery & Museum
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- Association of Guilds of Weavers, Spinners and Dyers
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- British Antique Dealers' Association
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- British Horological Institute
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- Fashion Museum Bath
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- Northern Ceramic Society
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- Oriental Rug and Textile Society of Great Britain
- Printing Historical Society
- Quentin Blake Centre for Illustration
- Quilters' Guild, The
- Royal Numismatic Society, The
- Royal School of Needlework
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- Society for the History of Collecting
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- The Arts Society
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- World of Wedgwood
- Arts and Culture Centres
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- Autograph
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- Birnam Arts
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- Bollington Arts Centre
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- Berkshire
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- Berkshire Ornithological Club
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- Berwick Literary Festival
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- Pocklington and District Local History Group
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- Bexley
- Bicester
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- Biodiversity and Conservation
- A Rocha UK
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- Birkenhead
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- Analytical Psychotherapy Training: Birmingham
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- Birmingham and Warwickshire Archaeological Society
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- Bradford Beekeepers Association
- Bradford Botany Group
- Bradford Camera Club
- Bradford Family History Society
- Bradford Flower Club
- Bradford Historical and Antiquarian Society
- Bradford Literature Festival
- Bradford Mechanics Institute Library
- Bradford Ornithological Group
- Bradford Railway Circle
- Bradford Textile Society
- British Cactus and Succulent Society - Bradford
- Cottingley Village History Society
- Impressions Gallery
- Low Moor Local History Group
- National Science and Media Museum
- Pudsey Flower Club
- RSPB - Airedale & Bradford
- University of Bradford
- Bradford-on-Avon
- Braintree
- Braintree Beekeepers' Association
- Braintree Camera Club
- Braintree Flower Club
- Braintree Organic Gardening Club
- Dunmow Photography Club
- Feering Flower Club
- Great Notley Photography Club
- Halstead & District Local History Society
- Halstead & District Photographic Society
- Hedingham Heritage Society
- Mid Essex Guild of Weavers, Spinners & Dyers
- North Essex Astronomical Society
- Stebbing Local History Society
- Brent
- Brentwood
- Bridgend
- Bridgend & District Beekeepers Association
- Bridgend and District Local History Society
- Bridgend Astronomical Society
- Bridgend Camera Club
- Llantwit Major Local History Society
- Local Nature Partnership - Bridgend
- Porthcawl Art Society
- Porthcawl Floral Arrangement Society
- Tondu and District Art Society
- Vale of Glamorgan and Bridgend Bat Group
- Bridgwater
- Bridgwater & District Civic Society
- Bridgwater and District Archaeological Society
- Bridgwater Blake Museum
- Bridgwater Photographic Society
- Sedgemoor Camera Club
- Somerset Beekeepers' Association - Burnham
- Somerset Beekeepers' Association - Quantock
- Stowey Gardeners
- The Arts Society - Sedgemoor
- Westonzoyland Pumping Station Museum
- Bridport
- Beaminster Festival
- Bridport & District Gardening Club
- Bridport Arts Centre
- Bridport Camera Club
- Bridport Literary Festival
- Bridport Museum
- Eype Centre for the Arts
- National Trust Support - Golden Cap
- Somerset & Dorset Family History Society - West Dorset
- The Arts Society - West Dorset
- West Dorset Beekeepers' Association
- West Dorset Flower Club
- Brighouse
- Brighton and Hove
- Association of Sussex Philatelic Societies
- Brighthink
- Brighton & Hove Geological Society
- Brighton & Hove Interfaith Contact Group
- Brighton & Hove Society of Miniature Locomotive Engineers
- Brighton & Lewes Beekeepers
- Brighton and Hove Archaeological Society
- Brighton and Hove Camera Club
- Brighton and Hove Flower Decoration Club
- Brighton and Hove Organic Gardening Group
- Brighton Astro
- Brighton Book Festival
- Brighton Embroidery Group
- Brighton Festival
- Brighton Humanists
- Brighton Science Festival
- British Cactus and Succulent Society - Brighton and Hove
- Cercle français de Brighton et Hove
- City Books
- Council of Christians and Jews - Brighton
- Fabrica
- Germany & Colonies Philatelic Society - South East
- Hove Civic Society
- Institute of Development Studies
- Lighthouse [Brighton]
- Locomotive Club of Great Britain - Brighton
- National Trust Support - Brighton and Hove
- Regency Society, The
- Royal Pavilion & Museums
- RSPB - Brighton & District
- Sussex County Art Club
- Sussex Egyptology Society
- Sussex Family History Group - Brighton & Hove
- Sussex Practical Astronomers
- The Arts Society - Brighton & Hove
- University of Brighton
- University of Sussex
- Bristol
- Aerospace Bristol
- Alpine Garden Society - Bristol
- Arnolfini
- Arnos Vale Cemetery
- Avon Gorge & Downs Wildlife Project
- Barton Hill History Group
- BCS - Bristol and Bath
- Bishopston, Horfield & Ashley Down Local History Society
- Brislington Conservation and History Society
- Bristol & Avon Family HIstory Society - Bristol
- Bristol & Clifton Dickens Society
- Bristol and Avon Archaeological Society
- Bristol Astronomical Society
- Bristol Beekeepers
- Bristol Civic Society
- Bristol Dowsers
- Bristol French Circle
- Bristol Ideas
- Bristol Industrial Archaeological Society
- Bristol Inter Faith Group
- Bristol Museums, Galleries & Archives: Friends of
- Bristol Naturalists' Society
- Bristol Open Doors
- Bristol Ornithological Club
- Bristol Photographic Society
- Bristol Quilters
- Bristol Railway Circle
- Bristol Society of Model and Experimental Engineers
- British Cactus and Succulent Society - Bristol
- British Horological Institute - Bristol
- Butterfly Conservation - Somerset & Bristol
- C. G. Jung Public Lectures, Bristol
- Christians in Science - Bristol
- Clifton and Hotwells Improvement Society
- Clifton Quilters
- Crown Monochrome Group
- Design West
- Downend Camera Club
- Egypt Society of Bristol, The
- Ffestiniog Railway Society - Bristol
- Great Western Society - Bristol
- Hanham & Kingswood Photo Club
- Hanham Local History Society
- Henleaze Garden Club
- Historical Association - Bristol
- Historical Model Railway Society - Bristol
- IET - Bristol
- Keynsham & Saltford Local History Society
- Keynsham Photographic Society
- Kingswood History Society
- Knowle and Totterdown Local History Society
- Lincombe Barn Camera Club
- LYRA Bristol Poetry Festival
- Max Minerva's
- North West Bristol Camera Club
- PolicyBristol
- Prometheus Trust, The
- RCTS - Bristol
- Reflex Camera Club
- Resound Camera Club
- Richard III Society - Gloucester & Bristol
- Royal Aeronautical Society - Bristol
- Severnside Institute for Psychotherapy, The
- South Bristol Gardening Club
- Spike Island
- Stoke Bishop Local History Group
- The Arts Society - Bristol
- Theosophical Society in England - Bristol
- University of Bristol
- University of Bristol Botanic Garden
- University of the West of England
- Watershed
- Western Power Electricity Historical Society
- Wilderness Lectures
- World Ship Society - Bristol
- Brixham
- Broadstairs
- Bromley
- Biggin Hill and District Horticultural Society
- British Cactus and Succulent Society - Bromley
- Bromley & District Floral Society
- Bromley Beekeepers
- Bromley Borough Local History Society
- Bromley Camera Club
- Historical Association - Beckenham & Bromley
- Mottingham Floral Arrangement Society
- National Trust Support - Beckenham & Bromley
- North West Kent Family History Society - Bromley
- The Arts Society - Bromley
- West Wickham Floral Art Group
- West Wickham Photographic Society
- Bromsgrove
- Bromsgrove & District Flower Arrangement Society
- Bromsgrove Astronomical Society
- Bromsgrove Photographic Society
- Bromsgrove Railway Club
- Bromsgrove Society of Model Engineers
- Bromsgrove Society, The
- Clent Gardening Club
- Clent History Society
- Dodford Gardening Club
- Hagley Historical and Field Society
- Lickey Hills Local History Society
- National Trust Support - North Worcestershire
- North East Worcestershire Beekeepers' Association
- Romsley and Hunnington History Society
- Buckingham
- Buckinghamshire
- Berks and South Bucks Bat Group
- Berks, Bucks & Oxon Wildlife Trust
- Buckinghamshire & Milton Keynes Natural Environment Partnership
- Buckinghamshire Amphibian and Reptile Group
- Buckinghamshire Archaeological Society
- Buckinghamshire Badger Group
- Buckinghamshire Bird Club
- Buckinghamshire Family History Society
- Buckinghamshire Gardens Trust
- Buckinghamshire Guild of Spinners, Weavers and Dyers
- Bucks County Beekeepers
- Bucks County Museum
- Bucks Geology Group
- Butterfly Conservation - Upper Thames
- Gardening and Horticultural Societies - Buckinghamshire
- Hardy Plant Society - Buckinghamshire and Oxfordshire
- Historical Association - Buckinghamshire
- IET - Buckinghamshire
- IWA - Chiltern
- Local History Societies - Buckinghamshire
- North Bucks Bat Group
- Photographic Societies - Buckinghamshire
- Royal Society of Biology - Thames Valley
- Thames Valley Dowsers
- Thames Valley Orchid Society
- Western Front Association - Ox & Bucks
- Bude
- Burgess Hill
- Burnley
- Burton upon Trent
- Bury
- Bury St Edmunds
- Athenaeum Astronomy Association
- Bury St Edmunds Guild of Weavers, Spinners and Dyers
- Bury St Edmunds Past and Present Society
- Bury St Edmunds Photographic Society
- Heritage Circle - Rickinghall Botesdale Redgrave Hinderclay
- Hoxne Heritage Group
- Suffolk Family History Society - Bury St Edmunds
- The Arts Society - Bury St Edmunds
- Tostock Past & Present Society
- Walsham History Group
- West Suffolk Beekeepers' Association
- Buxton
- Caerphilly
- Camberley
- Cambridge
- Ancient India & Iran Trust
- Anglia Ruskin University
- Bottisham & Burwell Photographic Club
- Bourn Garden Club
- British Antarctic Survey
- British Cactus and Succulent Society - Cambridge
- Cambridge Antiquarian Society
- Cambridge Archaeology Field Group
- Cambridge Astronomical Association
- Cambridge Bibliographical Society
- Cambridge Camera Club
- Cambridge Dickens Fellowship
- Cambridge Festival
- Cambridge Humanist Group
- Cambridge Inter-Faith Programme
- Cambridge Library Group
- Cambridge Literary Festival
- Cambridge Museum of Technology
- Cambridge Natural History Society
- Cambridge Orchid Society
- Cambridge Philatelic Society
- Cambridge Philosophical Society
- Cambridge Quilters
- Cambridge Railway Circle
- Cambridge Science Festival
- Cambridge Skeptics
- Cambridge University Library
- Cherry Hinton Local History Society
- Chesterton Garden Club
- Churchill College Cambridge
- Cottenham Village Society
- Darwin College Cambridge
- Faraday Institute for Science and Religion, The
- Fen Edge Archaeology Group
- Ffestiniog Railway Society - East Anglian
- Fitzwilliam College
- Fowlmere & Thriplow Gardening Club
- Fulbourn Village History Society
- Gamlingay & District History Society
- Girton Garden Society
- Harston Local History Group
- Histon and Impington Village Society
- Historical Association - Cambridge
- Hughes Hall Cambridge
- IET - Cambridge
- Isaac Newton Institute for Mathematical Sciences
- Jesus College Cambridge
- King's College Cambridge
- Longstanton & District Heritage Society
- Lucy Cavendish College Cambridge
- Magdalene College Cambridge
- Mill Road History Society
- National Trust for Scotland Members' Centres - Cambridge
- Newnham College Cambridge
- Orwell Local History Society
- Philippa Pearce Memorial Lecture, The
- RCTS - Cambridge
- Royal Aeronautical Society - Cambridge
- Sawston Village History Society
- St John's College Cambridge
- The Arts Society - Cambridge
- The Arts Society - Cantab
- The Arts Society - Granta
- The Arts Society - South Cambs
- Thriplow Society
- Transition Cambridge
- Trinity College Cambridge
- University of Cambridge
- University of Cambridge Museums & Botanic Garden
- Von Hügel Institute for Critical Catholic Inquiry
- Welsh Highland Railway Society - East Anglian
- West Wickham & District Local History Club
- Wilberforce Society, The
- Wolfson College Cambridge
- Woolf Institute
- Cambridgeshire
- Butterfly Conservation - Cambridgeshire and Essex
- Cambridgeshire and Huntingdonshire Family History Society
- Cambridgeshire and Peterborough Amphibian and Reptile Group
- Cambridgeshire Association for Local History
- Cambridgeshire Badger Group
- Cambridgeshire Bat Group
- Cambridgeshire Beekeepers' Association
- Cambridgeshire Bird Club
- Cambridgeshire Gardens Trust
- Cambridgeshire Geological Society
- Cambridgeshire Guild of Weavers, Spinners and Dyers
- Cambridgeshire Mammal Group
- Fenland Heritage Network
- Gardening and Horticultural Societies - Cambridgeshire
- Hardy Plant Society - Cambridgeshire & Bedfordshire
- Local History Societies - Cambridgeshire
- Photographic Societies - Cambridgeshire
- Plant Heritage - Cambridgeshire
- Western Front Association - Cambridgeshire
- Wildlife Trust for Beds, Cambs & Northants
- Camden
- Camden History Society
- Eccles Centre for American Studies (British Library)
- Francis Crick Institute, The
- Highgate Cemetery
- Highgate Literary & Scientific Institution
- Highgate Society
- Highgate Watercolour Group
- Jewish Community Centre for London (JW3)
- Jewish Museum London
- Prometheus Trust, The
- Royal Asiatic Society of Great Britain and Ireland
- Royal Society for Asian Affairs
- Stereoscopic Society - London
- The Arts Society - Highgate
- Transition Highgate
- University of London Extra-Mural Literature Association (ULEMLA)
- Canal and River Transport
- Basingstoke Canal Society, The
- Birmingham Canal Navigations Society
- Bude Canal & Harbour Society
- Cromford Canal, Friends of
- Derby and Sandiacre Canal Society
- Gloucester Waterways Museum, Friends of
- Herefordshire & Gloucestershire Canal Trust
- Inland Waterways Association
- Kennet and Avon Canal Trust
- London Canal Museum
- Macclesfield Canal Society
- Manchester Bolton & Bury Canal Society
- National Waterways Museum
- Railway & Canal Historical Society (RCHS)
- River & Rowing Museum
- Stratford upon Avon Canal Society
- Worcester Birmingham & Droitwich Canals Society
- Cannock
- Canterbury
- Alpine Garden Society - East Kent
- Barham & District Horticultural Society
- Beltinge Gardeners' Society
- Betjeman Society - Canterbury
- British Cactus and Succulent Society - Herne Bay
- Canterbury Beekeepers
- Canterbury Festival
- Canterbury Flower Club
- Canterbury Historical and Archaeological Society
- Canterbury Society of Art
- Canterbury Society, The
- Dickens Fellowship - Canterbury
- Herne Bay Flower Arrangement Society
- Herne Bay Photographic Club
- Herne Bay Stamp & Postal History Society
- Herne Rose & Gardening Club
- Historical Association - Canterbury
- Kent Family History Society - Canterbury
- National Trust Support - East Kent
- Oast Quilters
- The Arts Society - Canterbury
- The Arts Society - Canterbury Evening
- University of Kent
- Western Front Association - Kent (East)
- Whitstable and District Horticultural Society
- Whitstable Flower Club
- Whitstable Photographic Group
- Cardiff
- Cardiff Archaeological Society
- Cardiff Astronomical Society
- Cardiff Bat Group
- Cardiff Bonsai Club
- Cardiff Camera Club
- Cardiff Castle
- Cardiff Metropolitan University
- Cardiff Model Engineering Society
- Cardiff Naturalists' Society
- Cardiff Philatelic Society
- Cardiff Science Festival
- Cardiff Scientific Society
- Cardiff Theosophical Society in Wales
- Cardiff University
- Cardiff, Vale & Valleys Beekeepers
- Council of Christians and Jews - Cardiff
- Forest Farm, Friends of
- Historical Association - Cardiff
- Llandaff Society
- Llanishen Local History Society
- Local Nature Partnership - Cardiff
- Public Philosophy in Cardiff
- Rhiwbina Camera Club
- Rhiwbina Floral Society
- Rhiwbina Society, The
- Royal Aeronautical Society - Cardiff
- RSPB - Cardiff & District
- School of Earth and Environmental Sciences [Cardiff]
- Science in Health Public Lecture Series
- Seren Cardiff Poetry Festival
- Skeptics in the Pub - Cardiff
- Société franco-britannique de Cardiff
- South Wales Art Society
- The Arts Society - Cardiff
- WHGT - South and Mid Glamorgan
- Whitchurch (Cardiff) Camera Club
- Carlisle
- Carmarthenshire
- Carmarthen and District Beekeeping Association
- Carmarthen Photographic Society
- Carmarthenshire Antiquarian Society
- Carmarthenshire Bird Club
- Dyfed Family History Society - Carmarthen
- Dyfed Family History Society - Llandovery
- Dyfed Family History Society - Llanelli
- East Carmarthen Beekeepers Association
- Kidwelly Camera Club
- Llandeilo & District Gardening Club
- Llanelli Art Society
- Llanelli Floral Art Society
- Llanelli Naturalists
- Llanelli Wetland Centre
- Local Nature Partnership - Carmarthenshire
- National Botanic Garden of Wales
- Orchid Study Group
- Pembrey & Burry Port Photographic Society
- Towy Valley Camera Club
- WHGT - Carmarthenshire
- Caterham
- Bletchingley Conservation and Historical Society
- Caterham Art Group
- Chaldon History Group
- Godstone Gardeners' Club
- Hurst Green Gardening Club
- Nutfield History Group
- Oxted & District Local History Society
- Oxted and Limpsfield Floral Design Club
- RH7 History Group
- Tandridge Handicraft Society
- Tandridge Photographic Society
- The Arts Society - Limpsfield
- Causeway Coast and Glens
- Central Scotland
- Ceredigion
- Aberystwyth & District Civic Society
- Aberystwyth & District Floral Society
- Aberystwyth Arts Centre
- Cardiganshire Family History Society
- Ceredigion Guild of Weavers, Spinners & Dyers
- Ceredigion Historical Society
- Ceredigion Local History Forum
- Dyfed Family History Society - Cardigan
- Lampeter Beekeepers' Association
- Local Nature Partnership - Ceredigion
- National Trust Support - Ceredigion
- Teifiside Beekeepers Association
- The Bookshop by the Sea
- University of Wales Trinity St David
- WHGT - Ceredigion
- Chard
- Chelmsford
- Anglia Ruskin University
- Baddow Camera Club
- British Cactus and Succulent Society - Chelmsford
- Broomfield Cottage Gardeners Society
- Cercle français de Chelmsford
- Chelmsford Beekeepers
- Chelmsford Camera Club
- Chelmsford City Museum
- Danbury & Little Baddow Horticultural Society
- Essex Skeptics in the Pub
- Essex Society for Family History - Chelmsford
- Galleywood Horticultural Society
- Great Baddow Horticultural Society
- Hatfield Peverel Flower Club
- IWA - Chelmsford
- Little Waltham Gardening Club
- Moulsham Lodge Camera Club
- National Trust Support - Chelmsford & District
- RHS Garden - Hyde Hall
- RSPB - Chelmsford & Central Essex
- Springfield Camera Club
- The Arts Society - Mid Essex
- Writtle Art Group
- Cheltenham
- Aquarius Severn Astrology Society
- BCS - Cheltenham and Gloucester
- British Horological Institute - Cheltenham
- Brockhampton Quilters
- Cercle français de Cheltenham
- Chapel Arts Cheltenham
- Cheltenham & District Orchid Society
- Cheltenham & Gloucester Branch of the Gloucestershire Beekeepers
- Cheltenham Bird Club
- Cheltenham Camera Club
- Cheltenham Civic Society
- Cheltenham Dowsers
- Cheltenham Flower Club
- Cheltenham Horticultural Society
- Cheltenham Inter Faith
- Cheltenham Italian Society
- Cheltenham Literature Festival
- Cheltenham Local History Society
- Cheltenham Mineral & Geological Society
- Cheltenham Poetry Festival
- Cheltenham Science Festival
- Cheltenham Society of Model Engineers
- Cotswold Astronomical Society
- Cottage Garden Society - Cotswolds
- Gotherington & Area Local History Society
- Holst Victorian House
- Leckhampton Local History Society
- Montpellier Quilters of Cheltenham
- RCTS - Cheltenham
- Royal Aeronautical Society - Gloucester & Cheltenham
- Sevenhampton Garden Club
- The Arts Society - Cheltenham
- Western Front Association - Cheltenham & Gloucester
- Wilson, The
- Chesham
- Cheshire
- British Horological Institute - Merseyside, North Wales and West Cheshire
- Butterfly Conservation - Cheshire and Wirral
- Cheshire and North Wales Orchid Society
- Cheshire Beekeepers' Association
- Cheshire Gardens Trust
- Cheshire Guild of Weavers, Spinners and Dyers
- Cheshire Local History Association
- Cheshire Wildlife Trust
- Cottage Garden Society - Cheshire
- Family History Society of Cheshire (FHSC)
- Gardening and Horticultural Societies - Cheshire
- Hardy Plant Society - Cheshire and Friends
- IET - Mersey & Western Cheshire including the Isle of Man
- IWA - North Staffordshire & South Cheshire
- Lancashire and Cheshire Antiquarian Society, The
- Local History Societies - Cheshire
- Photographic Societies - Cheshire
- Plant Heritage - Cheshire
- RCTS - Merseyside, Cheshire & North Wales
- Richard III Society - North Mercia
- West Cheshire Museums
- Western Front Association - Lancashire and Cheshire
- Wirral and Cheshire Badger Group
- Wirral History and Heritage Association
- Chester
- Ashton Hayes & Tarvin Flower Club
- Ashton Hayes Gardening Club
- BCS - Chester and North Wales
- Chester Archaeological Society
- Chester Astronomical Society
- Chester Civic Trust
- Chester Flower Club
- Chester Humanists
- Chester Literature Festival
- Chester Patchworkers & Quilters
- Chester Photographic Society
- Chester Society for Landscape History
- Chester Zoo
- Ffestiniog Railway Society - Dee and Mersey
- FHSC - Chester
- Handbridge Flower Club
- Hargrave & Huxley Historical Group
- Historical Association - Manchester (with Liverpool & Chester)
- Hoole History and Heritage Society
- IWA - Chester & Merseyside
- Pulford & Poulton Local History Group
- Royal Aeronautical Society - Chester
- Rural Chester Flower Club
- Society of Thirteen, The
- The Arts Society - Chester
- Theosophical Society in England - Chester
- University of Chester
- Upton by Chester Flower Club
- Chester-le-Street
- Chesterfield
- Alpine Garden Society - Chesterfield and District
- Barrow Hill Roundhouse
- Baslow Flower Circle
- Baslow Garden Society
- Bolsover Camera Club
- Bolsover Castle
- Bolsover Civic Society
- Chatsworth House & Gardens
- Chesterfield & District Model Engineering Society
- Chesterfield and District Family History Society
- Chesterfield Astronomical Society
- Chesterfield Photographic Society
- Chesterfield Psychic Study Group
- Clay Cross Photographic Society
- Peak Railway Association - Chesterfield
- RSPB - Chesterfield
- Society for the Study of Ancient Egypt, The
- South Normanton Gardeners Association
- Tupton History Society
- Western Front Association - Chesterfield
- Winding Wheel Theatre
- Chichester
- Bosham, Chidham & District Horticultural Society
- Chichester & District Archaeology Society
- Chichester & District Philatelic Society
- Chichester Art Society
- Chichester Camera Club
- Chichester Cathedral
- Chichester Centre for Fairy Tales, Fantasy and Speculative Fiction
- Chichester Humanists
- Chichester Literary Society
- Chichester Natural History Society
- Chichester Organic Gardening Society
- Donnington Gardening Club
- Fernhurst Horticultural Society
- Fernhurst Society
- Hamblin Centre, The
- Historical Association - Chichester
- Lavant Horticultural Society
- Novium Museum, The
- Pallant House Gallery
- Petworth Festival
- Petworth House and Park
- RCTS - Chichester
- RSPB - Chichester
- Selsey Camera Club
- The Arts Society - Boxgrove
- The Arts Society - Chichester
- The Arts Society - Chichester Evening
- The Arts Society - Chichester Lavant Valley
- The Arts Society - City of Chichester
- Uppark House and Garden
- Weald & Downland Living Museum
- Witterings Camera Club
- Chippenham
- Chipping Campden
- Chipping Norton
- Chorley
- Christchurch
- Christianity
- A Rocha UK
- Anglican and Eastern Churches Association
- Anglo Catholic History Society, The
- Art + Christianity
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- Christians in Science
- Churches Together in Britain and Ireland
- Churches Together in England
- College of Preachers, The
- Ecclesiastical Law Society
- Evangelical Library, The
- Fleet Street Talks
- General Assembly of Unitarian and Free Christian Churches, The
- Green Christian
- Huguenot Society of Great Britain & Ireland, The
- John Bunyan Museum
- John Stott London Lecture
- Lambeth Palace Library
- Luther King Centre for Theology and Ministry
- Manchester Wesley Research Centre
- Montgomery Trust, The
- North East Catholic History Society
- North East Methodist History Society
- Oxford Centre for Mission Studies
- Prayer Book Society, The
- Presbyterian Historical Society of Ireland
- Royal School of Church Music
- Strict Baptist Historical Society
- Traherne Association
- Wesley Historical Society
- William Temple Foundation
- Churches, Cathedrals and Abbeys
- Association of English Cathedrals
- Beauchief Abbey
- Cairns Church Milngavie
- Chichester Cathedral
- Deerhurst Church
- Diocese of London [Anglican]
- Diocese of Westminster [Roman Catholic]
- Diocese of York [Anglican]
- Dorchester Abbey
- Gloucester Cathedral
- Hereford Cathedral
- Lincoln Cathedral
- Norwich Cathedral
- Society for Church Archaeology
- Southwell Minster
- St Albans Cathedral
- St Martin-in-the-Fields
- St Marylebone Parish Church
- St Paul's Cathedral
- Westminster Abbey Institute
- Cinderford
- Cirencester
- Cirencester Archaeological and Historical Society
- Cirencester Beekeepers
- Cirencester Camera Club
- Cirencester Civic Society
- Cirencester Science & Technology Society
- Corinium Museum
- Down Ampney Gardening Club
- Fairford History Society
- Lechlade Art Society
- Lechlade Gardening Club
- Lechlade History Society
- The Arts Society - Corinium
- The Arts Society - Upper Thames
- City of Belfast
- Belfast Book Festival
- Belfast Geologists' Society
- Belfast International Arts Festival
- Belfast Natural History and Philosophical Society, The
- Belfast Naturalists' Field Club
- Belfast Photo Imaging Club
- Belfast Titanic Society
- Catchlight Camera Club
- Cave Hill Conservation Campaign
- Cercle français de Belfast
- City of Belfast Photographic Society
- Council of Christians and Jews - Belfast
- East Belfast Historical Society
- Holywood Floral Art Society
- Linen Hall Library
- National Trust Support - Belfast
- North of Ireland Family History Society - Belfast
- Queen's University Belfast
- Royal Aeronautical Society - Belfast
- The Imagine! Festival
- City of London
- Arab British Centre, The
- Barbican, The
- Bishopsgate Institute
- City of London & Cripplegate Photographic Society
- City of London Archaeological Society
- City of London Libraries
- Dr Johnson's House
- Fleet Street Talks
- Foreign Policy Centre, The
- Friends of The City Churches
- Gresham College
- Guildhall School of Music & Drama
- London Symphony Orchestra
- Royal Philatelic Society London, The
- St Ethelburga's Centre for Reconciliation and Peace
- St Paul's Cathedral
- Stationers' Company, The
- Tower of London
- Worshipful Society of Apothecaries, The
- Civic Societies and Trusts
- Aberdeen Civic Society
- Aberystwyth & District Civic Society
- Ainsdale Civic Society
- Aldershot Civic Society
- Alnwick Civic Society
- Ashton-under-Lyne Civic Society
- Barnet Society, The
- Barrow-in-Furness Civic & Local History Society
- Bath Preservation Trust
- Battersea Society, The
- Beaconsfield Society, The
- Bedworth Society, The
- Beeston and District Civic Society
- Berkhamsted Citizens Association
- Berwick-upon-Tweed Civic Society
- Betchworth and Buckland Society
- Bewdley Civic Society
- Bishop's Waltham Society
- Blackpool Civic Trust
- Bollington Civic Society
- Bolsover Civic Society
- Bracknell Forest Society
- Bridgwater & District Civic Society
- Bristol Civic Society
- Broadstairs Society, The
- Bromsgrove Society, The
- Canterbury Society, The
- Cheltenham Civic Society
- Chepstow Society, The
- Chesham Society, The
- Chester Civic Trust
- Cirencester Civic Society
- City of Southampton Society
- Civic Society of St Ives
- Clapham Society, The
- Clevedon Civic Society
- Clifton and Hotwells Improvement Society
- Clitheroe Civic Society
- Cockermouth Civic Trust
- Conwy Valley Civic Society
- Corsham Civic Society
- Coventry Society
- Cramond Association, The
- Deal Society, The
- Desborough Civic Society
- Doncaster Civic Trust
- Dover Society, The
- Droitwich Spa Civic Society
- Dronfield Civic Society
- Dulwich Society, The
- Dundee Civic Trust
- Ealing Civic Society
- Eltham Society, The
- Enfield Society, The
- Fareham Society, The
- Farnham Society, The
- Faversham Society, The
- Finchley Society, The
- Formby Civic Society
- Fulham Society, The
- Gateacre Society, The
- Godalming Trust
- Goole Civic Society
- Gosport Society
- Guildford Society, The
- Hackney Society, The
- Hadleigh Society, The
- Halifax Civic Trust
- Harpenden Society, The
- Harwich Society, The
- Headley Society, The
- Hereford Civic Society
- Herne Hill Society, The
- Hertford Civic Society
- High Wycombe Society, The
- Highgate Society
- Hoddesdon Society, The
- Honley Civic Society
- Hove Civic Society
- Howden Civic Society
- Huddersfield Civic Society
- Hull Civic Society
- Hunstanton Society
- Hythe Civic Society
- Inverness Civic Trust
- Ipswich Society, The
- Isleham Society, The
- Kettering Civic Society
- Kidderminster Civic Society
- King's Lynn Civic Society
- Kingston upon Thames Society, The
- Kirkby Lonsdale & District Civic Society
- Knowle Society, The
- Lancaster Civic Society
- Ledbury and District Civic Society
- Leicester Civic Society
- Letchworth Garden City Society, The
- Lewes Civic Society, The
- Lichfield Civic Society
- Little Bowden Society
- Littleborough Civic Trust
- Llandaff Society
- Lubenham Heritage Group
- Ludlow Civic Society
- Lyme Regis Society, The
- Lymington Society, The
- Maidenhead Civic Society
- Malvern Civic Society
- March Society, The
- Margate Civic Society
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- New Glasgow Society
- Newark Civic Trust
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- Northumberland & Newcastle Society
- Norwich Society, The
- Norwood Society, The
- Nottingham Civic Society
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- Oxford Civic Society
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- Peckham Society, The
- Peel Heritage Trust
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- Pershore Civic Society
- Peterborough Civic Society
- Portchester Civic Society
- Portsmouth Society, The
- Potteries Heritage Society
- Potters Bar Society
- Putney Society, The
- Ramsgate Society, The
- Reigate & Redhill Society, The
- Retford Civic Society
- Rhiwbina Society, The
- Ripon Civic Society
- Romsey & District Society
- Ross-on-Wye & District Civic Society
- Royal Tunbridge Wells Civic Society
- Salisbury Civic Society
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- Sevenoaks Society, The
- Shoreham Society
- Sid Vale Association
- Skipton Civic Society
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- Southgate District Civic Voice
- Southwick (Sussex) Society
- St Albans Civic Society
- Stamford Civic Society
- Stourport Civic Society
- Stow and District Civic Society
- Streatham Society, The
- Stroud Civic Society
- Sudbury Society, The
- Sutton Coldfield Civic Society
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- Tonbridge Civic Society
- Topsham Community Association
- Usk Civic Society
- Wandsworth Society
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- Weymouth Civic Society
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- Wimborne Civic Society
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- Wokingham Society, The
- Wolverhampton Society, The
- Woodbridge & Melton Society
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- Yateley Society, The
- Clacton-on-Sea
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- Fagus
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- Portishead Camera Club
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- WC&P Railway Group
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- Clitheroe
- Colchester
- Alresford Camera Club
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- Café Scientifique - Colchester
- Colchester + Ipswich Museums
- Colchester Archaeological Group
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- Colchester Natural History Society
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- Essex Society for Family History - Colchester
- Firstsite
- Fordham History Society
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- Manningtree and District Photographic Society
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- RSPB - Colchester
- The Arts Society - Colchester
- The Arts Society - North East Essex
- University of Essex
- Wivenhoe Bookshop, The
- Composer Societies and Trusts
- Congleton
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- Cornwall
- Botanical Cornwall Group
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- Cormwall Science Community
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- Cornwall Faith Forum
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- Cornwall Humanists
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- Gardening and Horticultural Societies - Cornwall
- Hardy Plant Society - Cornwall
- IET - Devon & Cornwall
- Kernow Goth
- Local History Societies - Cornwall
- Photographic Societies - Cornwall
- Plant Heritage - Cornwall
- Richard III Society - Devon & Cornwall
- Royal Cornwall Museum
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- Tamar Dowsers
- Trevithick Society, The
- Virtual Café Sci - Cornwall Science Community
- West Cornwall Beekeepers' Association
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- County Durham
- Architectural & Archaeological Society of Durham & Northumberland
- Cutting Edge NAFAS
- Durham Beekeepers
- Durham County Badger Group
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- Gardening and Horticultural Societies - County Durham
- Local History Societies - County Durham
- National Trust Support - County Durham
- Northumberland & Durham Family History Society
- Photographic Societies - County Durham
- The Arts Society - North Yorkshire & South Durham
- Coventry
- Balsall & District Horticultural Society
- BCS - Coventry
- Berkswell Flower Club
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- Centrix Contemporary Design
- Corley & Fillongley Photographic Club
- Coventry & District Natural History & Scientific Society
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- Coventry and District Archaeological Society
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- Coventry Guild of Weavers, Spinners and Dyers
- Coventry Photographic Society
- Coventry Society
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- Coventry University
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- Grange Photographic Society
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- IET - Coventry and Warwickshire
- Jaguar Photographic Society
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- Royal Aeronautical Society - Coventry
- Stereoscopic Society - Coventry
- The Arts Society - Coventry
- University of Warwick
- Cranleigh
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- Crediton
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- Crowborough
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- Bourne Society, The
- British Cactus and Succulent Society - Croydon
- Croydon and District Orchid Society
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- Croydon Beekeepers Association
- Croydon Camera Club
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- Faiths Together in Croydon
- Historic Croydon Airport Trust
- Old Coulsdon Camera Club
- Purley Literary Society
- RCTS - Croydon & South London
- RSPB - Croydon
- Shirley Quilters
- The Arts Society - Croydon Area
- The Arts Society - Sanderstead
- Cumbria
- BCS - Cumbria North
- Butterfly Conservation - Cumbria
- Cumberland Bat Group
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- Cumbria Local History Federation
- Cumbria Local Nature Partnership
- Cumbria Past
- Cumbria Wildlife Trust
- Cumbrian Railways Association
- Eden Valley Guild of Spinners, Weavers and Dyers
- Engaging Theology in Cumbria
- Gardening and Horticultural Societies - Cumbria
- Hardy Plant Society - Cumbria
- IET - Lancashire and Cumbria
- IOP - Lancashire and Cumbria
- IWA - Lancashire & Cumbria
- Lake District, Friends of the
- Lancs & Lakes Guild of Weavers, Spinners & Dyers
- Local History Societies - Cumbria
- Materials Society of Cumbria
- Morecambe Bay Local Nature Partnership
- Morecambe Bay Partnership
- Photographic Societies - Cumbria
- RCTS - Furness, Lakes & Lune
- Richard III Society - Penrith and North Lakes
- South Cumbria Bat Group
- Wainwright Society, The
- Western Front Association - Cumbria
- Westmorland Dowsers
- Westmorland Geological Society
- Darlington
- Cleveland and Darlington Astronomical Society
- Darlington & Teesdale Naturalists' Field Club
- Darlington and District Orchid Society
- Darlington Beekeepers Association
- Darlington Chrysanthemum & Dahlia Society
- Darlington Historical Society
- Darlington Philatelic Society
- Darlington Stitch and Create
- Head of Steam - Darlington Railway Museum
- Middleton St George Local History Group
- Teesdale Record Society
- Witham, The
- Dartford
- Dartmouth
- Daventry
- Dawlish
- Deal
- Denbighshire
- Derby
- Allestree Flower Group
- Allestree Gardening Club
- Alpine Garden Society - Derby
- BCS - Nottingham and Derby
- Breaston & District Flower Circle
- British Cactus and Succulent Society - Derby
- Castle Donington & District Flower Club
- Cercle français de Derby
- Chaddesden Historical Group
- Chellaston History Group
- Derby and District Astronomical Society
- Derby and District Bonsai Association
- Derby and Sandiacre Canal Society
- Derby Book Festival
- Derby City Photographic Society
- Derby LIVE
- Derby Museums
- Derby Natural History Society
- Derby Sketching Club
- Kedleston Hall
- Long Eaton & District Horticultural Society
- Long Eaton Natural History Society
- Multi-Faith Centre at the University of Derby
- National Trust Support - Derby and District
- Peak Railway Association - Derby
- Rolls Royce Derby Photographic
- Royal Aeronautical Society - Derby
- Sawley & District Historical Society
- The Arts Society - Derby
- University of Derby
- Derbyshire
- Cottage Garden Society - Derbyshire, North
- Derbyshire Amphibian and Reptile Group
- Derbyshire Archaeological Society
- Derbyshire Bat Group
- Derbyshire Beekeepers
- Derbyshire Family History Society
- Derbyshire Mammal Group
- Derbyshire Museums and Heritage Forum
- Derbyshire Ornithological Society
- Derbyshire Wildlife Trust
- Gardening and Horticultural Societies - Derbyshire
- Hardy Plant Society - Derbyshire
- IWA - Nottinghamshire & Derbyshire
- Local History Societies - Derbyshire
- Lowland Derbyshire and Nottinghamshire Local Nature Partnership
- Mid Derbyshire Badger Group
- National Trust Support - Peak District
- Nature Peak District
- North East Derbyshire Industrial Archaeology Society
- Peak Railway Association
- Photographic Societies - Derbyshire
- SPAB - Nottinghamshire & Derbyshire
- Dereham
- Derry and Strabane
- Devizes
- Devon
- Alpine Garden Society - Devon, Exeter
- Butterfly Conservation - Devon
- Cottage Garden Society - Devon
- Dartmoor Society, The
- Devon Archaeological Society
- Devon Bat Group
- Devon Beekeepers' Association
- Devon Dowsers
- Devon Faith and Belief Forum
- Devon Family History Society
- Devon Gardens Trust
- Devon History Society
- Devon Libraries
- Devon Local Nature Partnership
- Devon Mammal Group
- Devon Museums
- Devon Orchid Society
- Devon Reptile and Amphibian Group
- Devon Rural Archive, The
- Devon Wildlife Trust
- Devonshire Association
- Devonshire Association - Botany
- Gardening and Horticultural Societies - Devon
- Global Centre Devon, The
- Hardy Plant Society - Devon
- IET - Devon & Cornwall
- Local History Societies - Devon
- North Devon Arts
- Photographic Societies - Devon
- Plant Heritage - Devon
- Richard III Society - Devon & Cornwall
- Royal Society of Biology - Devon and Cornwall
- SPAB - Devon
- Tamar Dowsers
- Western Front Association - Devon and Cornwall
- Didcot
- Diss
- Doncaster
- Askern Camera Club
- Doncaster and District Family History Society
- Doncaster Astronomical Society
- Doncaster Beekeepers Association
- Doncaster Camera Club
- Doncaster Civic Trust
- Doncaster Naturalists' Society
- Fishlake History Society
- National Trust Support - Doncaster
- Pennine Railway Society
- Tickhill and District Local History Society
- Dorchester
- Cerne Abbas Historical Society
- Dorchester & District Gardening Club
- Dorchester and Weymouth BeeKeepers Association
- Dorchester Association for Research into Local History & Archaeology
- Dorchester Camera Club
- Dorchester Floral Group
- Dorchester Literary Festival
- Owermoigne Flower Club
- Thomas Hardye School Community Lectures
- Dorking
- Dorset
- Alpine Garden Society - Dorset
- BCS - Dorset
- Bournemouth & Dorset South Beekeepers’ Association
- Butterfly Conservation - Dorset
- Cottage Garden Society - Dorset
- Dorset Amphibian and Reptile Network
- Dorset Archives Trust
- Dorset Art Weeks
- Dorset Beekeepers Association
- Dorset Clock Society, The
- Dorset Family History Society
- Dorset Federation of Horticultural Societies
- Dorset Gardens Trust
- Dorset Geologists' Association Group
- Dorset Guild of Weavers, Spinners & Dyers
- Dorset Humanists
- Dorset Local Nature Partnership
- Dorset Mammal Group
- Dorset Museum
- Dorset Wildlife Trust
- Gardening and Horticultural Societies - Dorset
- Hardy Plant Society - Dorset
- IET - Dorset & South Wiltshire
- Jurassic Coast Trust
- Local History Societies - Dorset
- Photographic Societies - Dorset
- Plant Heritage - Dorset
- Royal Society of Biology - Wessex
- Somerset & Dorset Family History Society
- Somerset & Dorset Railway Trust
- SPAB - Dorset
- The Arts Society - Dorset County
- Western Front Association - Wessex
- World Ship Society - Dorset
- Dover
- Drama and Theatre
- Driffield
- Dronfield
- Dudley
- Black Country Geological Society, The
- Black Country Living Museum
- Dudley Camera Club
- Hagley Camera Club
- Quinton Local History Society
- Sedgley Local History Society
- Tipton Camera Club
- Tipton Civic Society
- Wall Heath Camera Club
- Wall Heath Flower Club
- Wombourne & District Philatelic Society
- Wombourne Scientific & Historical Society
- Dulwich
- Dumfries and Galloway
- Abbey Camera Club
- AHSS - Dumfries & Galloway
- Barony Garden Club
- Big Lit
- Caerlaverock Wetland Centre
- D&G Guild of Spinners, Weavers and Dyers
- Dumfries & District Flower Club
- Dumfries & Galloway Arts Festival
- Dumfries and Galloway Bat Group
- Dumfries and Galloway Family History Society
- Dumfries and Galloway Fine Arts Society
- Dumfries Astronomy Society
- Dumfries Camera Club
- Dumfriesshire and Galloway Natural History and Antiquarian Society
- Galloway Forest Astronomical Society
- IET - Scotland South West
- Kirkcudbright Historical Society
- Logan Botanic Garden
- Moffat & District Wildlife Club
- Moffat Astronomy Club
- National Trust for Scotland Friends' Groups - Broughton House and Garden
- Plant Heritage - Dumfries & Galloway
- Royal Scottish Geographical Society - Dumfries
- Scottish Rock Garden Club - South West Scotland
- SOC - Dumfries
- SOC - Stewartry
- SOC - West Galloway
- South of Scotland Beekeepers Association
- Stewartry Camera Club
- Textiles & Embroidery Dumfries
- The Arts Society - Dumfries & Galloway
- Whithorn Trust, The
- Wigtown Book Festival
- Wigtownshire Guild of Spinners, Weavers and Dyers
- Dundee
- Abertay Historical Society
- Abertay University
- AHSS - Tayside & East Fife
- Angus & Dundee Bird Club
- Botanical Society of Scotland - Dundee/Tayside
- Broughty Ferry Creatives
- Christians in Science - Dundee
- Dundee & District Philatelic Society
- Dundee Astronomical Society
- Dundee Botanic Garden
- Dundee City Archives, Friends of
- Dundee Civic Trust
- Dundee Contemporary Arts
- Dundee Festival of the Future
- Dundee Floral Art Club
- Dundee Photographic Society
- Dundee Science Centre
- Royal Scottish Geographical Society - Dundee
- RSPB - Dundee
- Skeptics in the Pub - Dundee
- SOC - Tayside
- Tayside Biodiversity Partnership
- Theosophical Society in Scotland - Dundee
- University of Dundee
- V&A Dundee
- Western Front Association - Scotland (Tayside)
- Dunstable
- Durham (City)
- Dunelm Flower Club
- Durham Astronomical Society
- Durham Book Festival
- Durham City Philatelic Society
- Durham County Local History Society
- Durham Guild of Spinners, Weavers & Dyers
- Durham Organic Gardeners' Association
- Durham Photographic Society
- Durham University
- Durham University Botanic Garden
- Germany & Colonies Philatelic Society - Tyne-Tees
- Institute of Advanced Study [Durham]
- NDFHS - Durham Belmont
- Northern Budgerigar Society
- Postal History and Aerophilatelic Group
- RSPB - Durham
- Take a Stitch 2 Durham
- Theosophical Society in England - Durham
- Western Front Association - Durham
- Wheatley Hill History Club
- Dursley
- Berkeley Castle
- Berkeley Gardening Club
- Cottage Garden Society - Severnside
- Dr Jenner's House, Museum and Garden
- Dursley & Cam Society
- Dursley & District Flower Society
- Slimbridge Gardening Club
- Slimbridge Local History Society
- Slimbridge Wetland Centre
- Tyndale Photography Club
- Wotton Gardening Club
- Wotton-under-Edge Historical Society
- Ealing
- East Ayrshire
- East Dunbartonshire
- Baldernock Gardening Club
- Bearsden Flower Club
- Cairns Church Milngavie
- Kirkintilloch & District Society of Antiquaries
- Kirkintilloch Camera Club
- Kirkintilloch Horticultural Society
- Milngavie & Bearsden Historical Society
- Milngavie and Bearsden Camera Club
- The Arts Society - Bearsden & Milngavie
- West of Scotland Guild of Weavers, Spinners and Dyers
- East Grinstead
- East Lothian
- East Lothian Antiquarian & Field Naturalists' Society
- East Lothian Beekeepers Association
- East Lothian Heritage
- Gullane and Dirleton History Society
- Haddington Camera Club
- Lothian Amphibian and Reptile Group
- Lothians Family History Society
- Musselburgh Art Club
- Musselburgh Camera Club
- Musselburgh Floral Art Club
- National Trust for Scotland Members' Centres - East Lothian
- North Berwick Gardening Club
- North Berwick Photographic Society
- Scottish Rock Garden Club - Edinburgh & The Lothians
- SOC - Lothian
- East Midlands
- BCSS - 1 East Midlands
- Betjeman Society - The Shires
- British Air Mail Society - Midland
- British Society of Criminology - Midlands
- Buglife East and Midlands
- Butterfly Conservation - East Midlands
- CBA East Midlands
- East Midlands Geological Society
- East Midlands Materials Society
- East Midlands Orchid Society
- East Midlands Region Embroiderers' Guild
- East Midlands Salon
- Flower Clubs - 1 East Midlands
- Great Central Railway Society
- ICE - East Midlands
- IET - East Midlands
- IMA - East Midlands
- IMechE - East Midlands
- IOP - East Midlands
- Local Art Societies - 1 East Midlands
- Midland (GB) Postal History Society
- National Vegetable Society - Midlands
- Omnibus Society - Midlands
- Pagan Federation - Midlands
- Railfuture - East Midlands
- RCHS - East Midlands
- RCTS - East Midlands
- RIBA - East Midlands
- RMetS - East Midlands
- Royal Society of Biology - East Midlands
- Royal Society of Chemistry - Midlands
- RSPB - 1 East Midlands
- The Arts Society - 1 East Midlands
- U3A - East Midlands
- Western Front Association - Midlands (East)
- East of England
- Antiquarian Horological Society - East Anglian
- BCSS - 2 East of England
- British Society of Criminology - South (inc London)
- Buglife East and Midlands
- CBA East
- East of England Faiths Agency
- Flower Clubs - 2 East of England
- ICE - East of England
- IMechE - Eastern
- IOP - East Anglia
- IWA - Great Ouse
- Local Art Societies - 2 East of England
- Omnibus Society - Eastern and Southern
- Orchid Society of East Anglia
- Pagan Federation - East Anglia
- Pagan Federation - South Midlands
- Railfuture - East Anglia
- RIBA - East
- RMetS - East Anglia
- Round Tower Churches Society
- Royal Society of Biology - East Anglia
- Royal Society of Chemistry - East of England
- RSPB - 2 East of England
- SPAB - Fenland and Wash
- The Arts Society - 2 East of England
- U3A - East of England
- East Renfrewshire
- East Riding of Yorkshire
- British Cactus and Succulent Society - Hull and East Riding
- East Riding Astronomers
- East Yorkshire Bat Group
- East Yorkshire Embroidery Society
- East Yorkshire Family History Society
- East Yorkshire Local History Society
- Gardening and Horticultural Societies - East Riding of Yorkshire
- Georgian Society for East Yorkshire
- Hardy Plant Society - East Yorkshire
- Historical Association - Hull & East Riding
- Hull and East Riding Astronomical Society
- Hull and East Riding Interfaith
- Hull and East Yorkshire Local Nature Partnership
- IET - Humber
- IWA - East Yorkshire
- Local History Societies - East Riding of Yorkshire
- Photographic Societies - East Riding of Yorkshire
- RSPB - East Yorkshire
- East Sussex
- Amateur Entomologists' Society - Sussex
- Association of Sussex Philatelic Societies
- Badger Trust Sussex
- BCS - Sussex
- British Air Mail Society - South Coast
- Butterfly Conservation - Sussex
- Cottage Garden Society - Sussex East
- East Sussex Astronomical Society
- East Sussex Guild of Weavers, Spinners & Dyers
- Gardening and Horticultural Societies - East Sussex
- Historical Model Railway Society - Sussex
- IET - Sussex
- IWA - Kent & East Sussex
- Local History Societies - East Sussex
- Photographic Societies - East Sussex
- Royal Society of Biology - Kent, Surrey and Sussex
- South Downs, Friends of the
- Sussex Amphibian & Reptile Group
- Sussex Archaeological Society
- Sussex Bat Group
- Sussex Beekeepers' Association
- Sussex Family History Group
- Sussex Gardens Trust
- Sussex Industrial Archaeology Society
- Sussex Local Nature Partnership
- Sussex Military History Society
- Sussex Mineral & Lapidary Society
- Sussex Ornithological Society
- Sussex Wildlife Trust
- The Arts Society - East Sussex
- Wealden Buildings Study Group
- Western Front Association - Sussex
- Eastbourne
- Dickens Fellowship - Eastbourne
- Eastbourne Astronomical Society
- Eastbourne Beekeepers' Association
- Eastbourne Local History Society
- Eastbourne Photographic Society
- Family History Society for Eastbourne & District
- Much Ado Books
- Observatory Science Centre, The
- Old Town Quilters
- Pevensey and Westham Flower Club
- RSPB - Eastbourne & District
- Seven Sisters Astronomical Society
- Seven Sisters Camera Club
- Skeptics in the Pub - Eastbourne
- The Arts Society - Eastbourne
- Towner Eastbourne
- Willingdon Flower Club
- Eastleigh
- Economics, Finance and Business
- Centre for Brexit Studies [Birmingham City]
- Institute of Economic Affairs
- Institute of Islamic Banking and Insurance
- London Business School
- Money Macro & Finance Society
- National Institute of Economic and Social Research
- New Economics Foundation
- Royal Economic Society
- Saïd Business School
- The Library of Mistakes
- University of Exeter Business School
- Edinburgh
- Aberdeen & NE Scotland Family History Society - Edinburgh
- Astronomical Society of Edinburgh
- BCS - Edinburgh
- Botanical Society of Scotland - Edinburgh (RBGE)
- Broughton History Society
- Café scientifique français d’Écosse
- Christians in Science - Edinburgh
- Colinton Garden Club
- Colinton Local History Society
- Cramond Association, The
- Cymera
- Edinburgh & Midlothian Beekeepers' Association
- Edinburgh Archaeological Field Society
- Edinburgh Art Festival
- Edinburgh Bibliographical Society
- Edinburgh Bookshop, The
- Edinburgh City of Literature
- Edinburgh Climate Change Institute
- Edinburgh Decorative & Fine Arts Society
- Edinburgh Floral Art Club
- Edinburgh Geological Society
- Edinburgh Guild of Weavers, Spinners and Dyers
- Edinburgh International Science Festival
- Edinburgh Jewish Literary Society
- Edinburgh Natural History Society
- Edinburgh Orchid Society
- Edinburgh Photographic Society
- Edinburgh Printmakers
- Edinburgh Secular Society
- Edinburgh Sir Walter Scott Club
- Edinburgh Skeptics
- Edinburgh Stitch and Textile Art
- Edinburgh Transport Group, The
- Edinburgh TV Festival
- Edinburgh Zoo
- Holyrood Art Club
- Humanist Society Scotland - Edinburgh
- IET - South East Scotland
- Institut français d’Écosse
- International Centre for Mathematical Sciences
- Italian Cultural Institute in Edinburgh
- Just Festival
- Leith Local History Society
- Lothian Philatelic Group
- Morningside and Newington Floral Art Club
- National Trust for Scotland Members' Centres - Edinburgh
- Old Edinburgh Club
- Palace of Holyroodhouse
- Pentland Flower Club
- Royal Botanic Garden Edinburgh
- Royal Observatory Edinburgh
- Royal Scottish Academy of Art and Architecture
- Royal Scottish Geographical Society - Edinburgh
- RSPB - Edinburgh Area
- Scottish Arts Club
- Scottish Rock Garden Club - Edinburgh & The Lothians
- Stereoscopic Society - Edinburgh
- Surgeons' Hall Museums
- The Library of Mistakes
- The Queen's Gallery, Palace of Holyroodhouse
- Theosophical Society in Scotland - Edinburgh
- University of Edinburgh
- University of Glasgow
- World Ship Society - Firth of Forth
- Education For All
- Association for Learning Development in Higher Education
- Council for Learning Outside the Classroom
- Department for Continuing Education [Oxford]
- Education and Employers Taskforce
- EXPLORE Lifelong Learning in Newcastle
- Institute of Continuing Education [Cambridge]
- IOE - Faculty of Education and Society [UCL]
- National Co-ordinating Centre for Public Engagement
- Prometheus Trust, The
- Raymond Williams Foundation
- Society for Research into Higher Education
- The University of The Third Age (U3A)
- WEA - Adult Learning Within Reach
- Ellesmere Port
- Alpine Garden Society - Wirral & West Cheshire
- Backford, Mollington & District Local History Society
- Burton & Neston History Society
- Cottage Garden Society - Wirral
- Ellesmere Port Local & Family History Society
- Ellesmere Port Photographic Society
- Ness Botanic Gardens
- Neston Civic Society
- Neston Flower Society
- North Cheshire Beekeepers
- Ely
- Enfield
- Engineering Institutes and Societies
- BCS: The Chartered Institute for IT
- British Institute of Non-Destructive Testing
- Chartered Institute of Ergonomics & Human Factors
- Federation of Model Engineering Societies
- Historical Model Railway Society
- Institute of Materials, Minerals and Mining
- Institution of Chemical Engineers
- Institution of Civil Engineers (ICE)
- Institution of Engineering and Technology (IET)
- Institution of Mechanical Engineers
- Institution of Structural Engineers
- Local Engineering Societies
- Quekett Microscopical Club, The
- Radio Society of Great Britain
- Royal Aeronautical Society
- Royal Institute of Navigation
- Royal Meteorological Society (RMetS)
- Women's Engineering Society
- England (EXPLORE)
- Churches Together in England
- Civic Voice
- English Heritage
- Historic England
- Jewish Historical Society of England
- Local Nature Partnerships: England
- National Federation of Cemetery Friends
- Northern Ceramic Society
- Northern Society of Costume & Textiles
- Theosophical Society in England (and Wales)
- Victoria County History
- Wildlife and Countryside LINK [England]
- Epsom
- Equality, Human Rights and Social Justice
- Amnesty International UK
- Anne Frank Trust UK
- Ascott Martyrs
- Autograph
- Bevan Foundation
- Bristol Radical History Group
- British Institute of Human Rights
- Create (Arts)
- English PEN
- Famine Lecture Series
- Freedom Association, The
- Institute for Strategic Dialogue
- Institute of Development Studies
- Institute of International Visual Arts (iniva)
- Joseph Rowntree Foundation
- Just Festival
- Manifesto Club for Freedom in Everyday Life
- Museum of Homelessness
- Overseas Development Institute
- Photovoice
- Refugee Council
- Wilberforce Institute for the Study of Slavery and Emancipation
- Wilberforce Society, The
- Esher
- Essex
- Butterfly Conservation - Cambridgeshire and Essex
- Cottage Garden Society - Essex
- Essex Amphibian and Reptile Group
- Essex Bat Group
- Essex Beekeepers' Association
- Essex Birdwatching Society
- Essex Book Festival
- Essex Egyptology Group
- Essex Field Club
- Essex Gardens Trust
- Essex Historic Buildings Group
- Essex Numismatic Society
- Essex Orchid Society
- Essex Rock and Mineral Society
- Essex Society for Archaeology and History
- Essex Society for Family History
- Essex Wildlife Trust
- Gardening and Horticultural Societies - Essex
- Hardy Plant Society - Essex
- Historical Association - Essex
- Historical Model Railway Society - Essex
- IET - Essex
- Local History Societies - Essex
- North East Essex Badger Group
- Photographic Societies - Essex
- Plant Heritage - Essex
- Royal Society of Biology - Beds, Essex and Herts
- SPAB - Essex
- Western Front Association - Essex
- Ethnicity and Nationalism
- Association for the Study of Ethnicity and Nationalism, The
- European Association for Jewish Studies
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- RSPB - Pinner & District
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- Midhurst and District Camera Club
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- Local History Societies - Herefordshire
- Marches Nature Partnership
- Photographic Societies - Herefordshire
- Plant Heritage - Herefordshire
- SPAB - Wales & Marches
- Western Front Association - Worcester & Herefordshire
- Hertford
- East Herts Archaeological Society
- Hertford & Ware Local History Society
- Hertford and District Camera Club
- Hertford Art Society
- Hertford Astronomy Group
- Hertford Civic Society
- Hertford Museum
- Herts Book Festival
- Lea Valley Orchid Society
- National Trust Support - Hertford
- The Arts Society - East Herts
- Ware & District Photographic Society
- Hertfordshire
- BCS - Hertfordshire
- Butterfly Conservation - Hertfordshire & Middlesex
- Combined Hertfordshire Archaeological Societies (CHAS)
- Dacorum Heritage Trust
- East Herts Geology Club
- Gardening and Horticultural Societies - Hertfordshire
- Hardy Plant Society - Hertfordshire
- Hertfordshire & Middlesex Bat Group
- Hertfordshire Amphibian and Reptile Group
- Hertfordshire Association for Local History
- Hertfordshire Family History Society
- Hertfordshire Gardens Trust
- Hertfordshire Geological Society
- Hertfordshire Natural History Society
- Herts & Middlesex Badger Group
- Herts and Middlesex Wildlife Trust
- Herts Flora Group
- Hertsmere Forum of Faiths
- Historical Association - Hertfordshire
- IET - Bedfordshire & Hertfordshire
- IWA - Lee & Stort
- Local History Societies - Hertfordshire
- Photographic Societies - Hertfordshire
- Royal Society of Biology - Beds, Essex and Herts
- Heswall
- Hexham
- High Wycombe
- Alpine Garden Society - Chiltern
- Booker Flower Club
- British Cactus and Succulent Society - High Wycombe
- Cercle français de High Wycombe
- Four Ends Flower Club
- High Wycombe & District Beekeepers' Association
- High Wycombe Flower Arrangement Society
- High Wycombe Model Engineering Club
- High Wycombe Philatelic Society
- High Wycombe Society, The
- National Trust Support - Wycombe
- Skeptics in the Pub - High Wycombe
- The Arts Society - High Wycombe
- The Arts Society - West Wycombe
- Wycombe Astronomical Society
- Wycombe Photographic Society
- Wycombe Wildlife Group
- Highland
- AHSS - Highland
- Archaeology for Communities in the Highlands
- Assynt Field Club
- Botanical Society of Scotland - Inverness
- Caithness Astronomy Group
- Caithness Family History Society
- Caithness International Science Festival
- Clyne Heritage Society
- Cromarty Arts Trust
- Cromarty History Society
- Dingwall & District Beekeepers' Association
- Dingwall Camera Club
- Dingwall Field Club
- Easter Ross Beekeepers' Association
- Eden Court Theatre
- Findhorn Foundation
- Fort William Photographic Society
- Gaelic Society of Inverness
- Groam House Museum
- Highland Archaeology Festival
- Highland Archive Service
- Highland Environment Forum
- Highland Guild of Weavers, Spinners & Dyers
- Highlands Astronomical Society
- Humanist Society Scotland - Argyll
- Inverness Bat Group
- Inverness Botany Group
- Inverness Camera Club
- Inverness Civic Trust
- Inverness Field Club
- Inverness Science Festival
- Inverness Stamp Club
- Inverness-Shire Beekeepers' Association
- Lochaber and North Argyll Family History Group
- Lochaber Beekeepers Association
- Lochaber Natural History Society
- Lyth Arts Centre
- Mallaig Book Festival
- Moidart Local History Group
- Nairn & District Beekeepers Association
- Nairn & District Gardening Club
- Nairn Book & Arts Festival
- Nairn Camera Club
- National Trust for Scotland Members' Centres - Highland
- NessBookFest
- North of Scotland Archaeological Society
- Ross-shire Flower Club
- Royal Aeronautical Society - Highland
- Royal Scottish Geographical Society - Inverness
- Scottish Rock Garden Club - Highland
- Skye and Lochalsh Beekeepers Association
- Sleat Local History Society
- SOC - Caithness
- SOC - Highland
- St Duthac Book and Arts Festival
- Tain & District Field Club
- Thurso Camera Club
- Ullapool Book Festival
- Highlands and Islands
- Hillingdon
- Brunel Arts
- Brunel University London
- Chiltern Aviation Society
- Field End Photographic Society
- Hardy Plant Society - Middlesex
- Harmondsworth Flower Guild
- Harrow and Hillingdon Geological Society
- Hillingdon Family History Society
- Hillingdon Natural History Society
- Ickenham & District Society of Model Engineers
- Pinner & Ruislip Beekeepers Association
- Pinner Camera Club
- Ruislip Central Horticultural Society
- Ruislip, Northwood & Eastcote Local History Society
- The Arts Society - Hillingdon
- Uxbridge & Ickenham Floral Art Society
- Uxbridge Local History Society
- Hinckley
- Burbage Bird Club
- Burbage Gardening Club
- Desford & District Local History Society
- Desford & Peckleton Art Club
- Earl Shilton Camera Club
- Earl Shilton Flower Club
- Hinckley & District Museum
- Hinckley & District Orchid Society
- Hinckley & District Philatelic Society
- Leicestershire & Rutland Family History Society - Hinckley
- Market Bosworth & District Natural History Society
- Market Bosworth Society
- The Arts Society - Sparkenhoe
- Historic Houses
- A la Ronde
- Berkeley Castle
- Bolsover Castle
- Bowhill House & Country Estate
- Brantwood
- Burton Agnes Hall & Gardens
- Caerhays Estate
- Calke Abbey
- Cambo House
- Chartwell
- Chatsworth House & Gardens
- Clandon Park
- Great Dixter House & Gardens
- Grimsthorpe
- Harewood House
- Historic Royal Palaces
- Iford Manor Estate
- Kedleston Hall
- Kelmarsh Hall & Gardens
- Mannington Estate
- Markenfield Hall
- Nunnington Hall
- Nymans
- Ormesby Hall
- Petworth House and Park
- Scotney Castle
- Standen House and Garden
- Tabley House
- The Firs
- Treasurer's House, York
- Tredegar House
- Uppark House and Garden
- Wallington
- Wentworth Castle Gardens
- History of Technology and Engineering
- Cambridge Museum of Technology
- Centre for the History of Science, Technology and Medicine [Manchester]
- Computer Conservation Society
- Construction History Society
- Ebbw Vale Works Museum
- Geevor Tin Mine Museum
- Ironbridge Gorge Museums
- Lichfield Waterworks Trust
- Museum of Bath at Work
- National Coal Mining Museum
- Newcomen: The International Society for the History of Engineering and Technology
- Newport Transporter Bridge, Friends of
- Northern Mill Engine Society
- PK Porthcurno: Museum of Global Communications
- Risca Industrial History Museum
- Science and Industry Museum
- Wandle Industrial Museum
- Waterworks Museum Hereford
- Westonzoyland Pumping Station Museum
- History of the Medical and Health Sciences
- Centre for the History of Science, Technology and Medicine [Manchester]
- Dr Jenner's House, Museum and Garden
- Florence Nightingale Museum
- John Snow Society, The
- Old Operating Theatre Museum & Herb Garret, The
- Royal Pharmaceutical Society Museum
- Surgeons' Hall Museums
- Thackray Museum of Medicine
- Wellcome Collection
- Hitchin
- Hoddesdon
- Holborn
- Architectural Association School of Architecture
- Aristotelian Society, The
- Art Workers' Guild
- Bartlett Faculty of the Built Environment [UCL]
- Bartlett School of Planning [UCL]
- Birkbeck, University of London
- Bloomsbury
- Conway Hall Ethical Society
- Dr Williams's Library
- Ecology and Conservation Studies Society [Birkbeck]
- Egypt Exploration Society
- English Goethe Society
- Foundling Museum, The
- Gay's The Word
- German Historical Institute London
- Great War Aviation Society
- Institute for Fiscal Studies
- Institute of Advanced Studies [UCL]
- IOE - Faculty of Education and Society [UCL]
- Irish Literary Society
- Irish Railway Record Society - London
- London Fortean Society
- London Review Bookshop
- London School of Hygiene & Tropical Medicine
- Maps and Society Lectures
- Paul Mellon Centre for Studies in British Art
- Philosophy For All
- Postal Museum, The
- Pushkin House
- Radical Anthropology Group
- Royal African Society
- School of Advanced Study, University of London
- School of Life, The
- Senate House Library [London]
- SOAS, University of London
- Society for Court Studies, The
- Society for Popular Astronomy
- Society for the Promotion of Roman Studies
- Swedenborg Society, The
- UCL Culture
- UCL: University College London
- University of London
- Viking Society for Northern Research
- Virgil Society, The
- Wellcome Collection
- Wiener Holocaust Library, The
- Honiton
- Horncastle
- Horsham
- Horsham Astronomy Group
- Horsham Flower Club
- Horsham Geological Field Club
- Horsham Horticultural Society
- Horsham Organic Gardeners Society
- Horsham Photographic Society
- National Trust Support - North Sussex
- Skeptics in the Pub - Horsham
- Storrington and District Museum
- Sussex Egyptology Society
- Sussex Family History Group - Horsham
- The Arts Society - Horsham
- Warnham Evening Flower Club
- Hounslow
- Bedford Park Society, The
- Brentford & Chiswick Local History Society
- Cercle français de Chiswick
- Chiswick Book Festival
- Chiswick House & Gardens
- Chiswick Pier Trust
- Feltham History Group
- Hounslow & District History Society
- Hounslow Friends of Faith
- Royal Aeronautical Society - Heathrow
- West Middlesex Family History Society
- Huddersfield
- British Button Society - Pennine
- British Cactus and Succulent Society - Huddersfield
- Huddersfield & District Archaeological Society
- Huddersfield & District Badger Group
- Huddersfield & District BeeKeeping Association
- Huddersfield & District Family History Society
- Huddersfield Astronomy Society
- Huddersfield Civic Society
- Huddersfield Flower Club
- Huddersfield Geology Group
- Huddersfield Literature Festival
- Huddersfield Local History Society
- Huddersfield Photo-Imaging Club
- Huddersfield Railway Circle
- National Trust Support - Holme and Calder
- RSPB - Huddersfield & Halifax
- The Arts Society - Huddersfield
- University of Huddersfield
- West Riding Woodcarvers' Association
- Humanism and Secularism
- Huntingdon
- Brampton Flower Club
- Buckden Local History Society
- Café Scientifique - Brampton
- Civic Society of St Ives
- Eltisley History Society
- Godmanchester Camera Club
- Hemingfords' Local History Society
- HRAA St Ives [Cambridgeshire] Gardening Club
- Huntingdonshire Beekeepers' Association
- Huntingdonshire Fauna and Flora Society
- Huntingdonshire Local History Society
- IET - Peterborough & Huntingdon
- Papworth Astronomy Club
- Paxton Pits Nature Reserve
- RSPB - Huntingdonshire
- Sawtry History Society
- St Ives Photographic Club
- Swavesey Camera Club
- The Arts Society - Huntingdonshire
- Warboys Local History Society
- Ideas and The Future
- Academy of Ideas
- Agile Rabbit
- Also Festival: Big Ideas in a Beautiful Space
- Birmingham Salon
- Bristol Ideas
- Café Économique Leeds
- Demos
- Dialogue Society
- East Midlands Salon
- FutureEverything
- GlobalNet21
- HowTheLightGetsIn
- Idler Academy of Philosophy, Husbandry and Merriment, The
- Institute of Advanced Studies [UCL]
- Institute of Advanced Study [Durham]
- Institute of Art and Ideas
- Intelligence Squared
- Laudato Si' Research Institute
- Leeds Salon, The
- Liverpool Salon
- Malvern Festival of Ideas
- Oxford Martin School
- Royal Society of Arts
- Schumacher College
- Skeptics in the Pub
- St Davids Festival of Ideas
- St Ethelburga's Centre for Reconciliation and Peace
- The Imagine! Festival
- The Skeptic
- York Festival of Ideas
- Young Foundation, The
- Ilkeston
- Ilkley
- Industrial Archaeology Societies
- | Across the UK |