Publishers
- The Blackmore Press 1
- The Blakiston Company 1
- The Bloomsbury Publishing Co. Ltd. 4
- The Board Of Management Of The Australian War Memorial 1
- The Bobbs-Merrill Company Inc. 1
- The Bodley Head 75
- The Bodley Head Children'S Books 5
- The Bodley Head Ltd 1
- The Bolus Herbarium 1
- The Bombay Natural History Society 2
- The Book Castle 1
- The Book Guild Ltd. 4
- The Book People Ltd. 1
- The Book Society 2
- The Book Stack 1
- The Book Studio 1
- The Borough Press 1
- The Boston Mills Press 2
- The Bournemouth Natural Science Society 1
- The Boy Scouts Association 20
- The Boy's Own Paper 19
- The Boydell Press 12
- The Bristol Ornithological Club 1
- The British and Foreign Bible Society 2
- The British Archaeological Association 1
- The British Iron & Steel Research Association 1
- The British Library 7
- The British Publishing Company 3
- The British Record Society 2
- The British Records Association 1
- The Brockhampton Book Co. Ltd. 3
- The Brockhampton Press Ltd. 21
- The Bruce Publishing Co. Ltd. 1
- The Bull Terrier Club 1
- The Cable Printing & Publishing Co. Ld. 1
- The Canal Press And Shepperton Swan 1
- The Car Illustrated 3
- The Cardiff Naturalists Society 1
- The Caroline Movement 1
- The Carriers Publishing Company Limited 1
- The Cats' protection League 1
- The Caxton Printers Ltd. 3
- The Caxton Publishing Company 1
- The Caxton Publishing Company Ltd. 2
- The Cayme Press 1
- The Celtic League 1
- The Center For Romanian Studies 1
- The Century Co. 2
- The Chalford Publishing Company 4
- The Chelsea Publishing Company 2
- The Cheltonian Society 2
- The Chepstow Society 54
- The Chequer Press 1
- The Chicago Corral Of The Westerners 1
- The Chicken House 8
- The Child's Own Magazine Office 1
- The Children's Book Club 26
- The Children's Press 16
- The Chippenham Civic Society 1
- The Clarendon Press 2
- The Co-Operative Union And Wholesale Society 1
- The Collins Press 1
- The Commodore Press 1
- The Connoisseur 1
- The Conrad Press Ltd. 2
- The Corporation Of Glasgow, Museums And Art Galleries Department 1
- The Corporation Of London 1
- The Corps Committee Of The Royal Australian Engineers 1
- The Cotteswold Naturalists' Field Club 1
- The Country Library 1
- The Countryman Press 2
- The County Associations Ltd. 1
- The County Observer Office 1
- The Covenant Publishing Co. Limited 1
- The Cresset Press 6
- The Crowood Press 64
- The Curwen Press 1
- The Dam Publisher Inc. 1
- The Derby Books Publishing Company Limited 1
- The Devon Birdwatching And Preservation Society 2
- The Devonshire & Dorset Regiment 1
- The Devonshire Press 2
- The Dial Press 1
- The Diamond Press Limited 1
- The Dog Club Magazine 1
- The Dog World 1
- The Donning Company Publishers 2
- The Dryad Press 2
- The Dublin Institute For Advanced Studies 5
- The Dugdale Society 1
- The Dunmore Press 1
- The Durham Flora Committee 2
- The Ecclesiological Society 1
- The Edinburgh Academical Club 1
- The Edison Swan Electric Company Ltd. 1
- The Educational Publishing Co. Ltd. 2
- The Educational Supply Association Ltd. 1
- The Electrician 1
- The English Universities Press Ltd. 1
- The English Westerners' Society 15