Publishers
- Bradley Publications Of Hull 1
- Bramley Books 5
- Brassey's 13
- Brassey's Defence Publishers 1
- Brawdy Books 1
- Brecknock Museum 1
- Breedon Books Publishing Co. 5
- Brehmer & Minuth 1
- Brentano's 2
- Brentano's Ltd 1
- Brevet Press 1
- Brewin Books 5
- Brian Bridgeman 1
- Brian Trodd 2
- Bridge Books 4
- Bridgeway Press 1
- Brimax Books 5
- Bristol Aero Collection 1
- Bristol Aircraft Limited 1
- Bristol and Gloucestershire Archaeological Society 2
- Bristol Branch Of The Historical Association 1
- Bristol City Council 1
- Bristol Docks Office 1
- Bristol Record Society 1
- British & Foreign Bible Society, The 1
- British Association for the Advancement of Science 1
- British Aviation Publications Ltd 1
- British Aviation Research Group 1
- British Books Ltd. 1
- British Broadcasting Corporation 4
- British Bryological Society 1
- British Bus Publishing 3
- British Gas Council 1
- British Geological Survey 1
- British Insulated Callender's Cables 1
- British Leyland 2
- British Museum 4
- British Museum (Natural History) 1
- British Museum Press 1
- British Museum Publications 3
- British Ornithologists' union 26
- British Rail (Western) 1
- British Railways 1
- British Standards Institution 1
- British Steel Corporation 1
- British Transport Commission 2
- British Transport Docks 1
- British Trust for Ornithology 24
- British Waterways Board 1
- Broads 1
- Brockhampton Press 128
- Brockhampton Press Ltd. 46
- Brooke Bond 1
- Brooke Bond Oxo 1
- Brooklands Books 11
- Brooks Cole 2
- Brookside Publishing 1
- Brown & Bibby 1
- Brown & Co. 1
- Brown and Brown 1
- Brown Watson 4
- Brown Watson Ltd 1
- Brown Wells & Jacobs Ltd. 3
- Brown, Prior, Anderson 1
- Brown, Son & Ferguson Ltd. 6
- Brownsword Books 1
- Broxbourne Press (printers) Limited 1
- Bruce & Gawthorn Limited 2
- Bruce Coleman 1
- Bruce Main-Smith & Co. Ltd. 7
- Bruno Cassirer 2
- Brunot-Labbe 1
- Bryngold Books 1
- Bsp Professional Books 1
- Buchan & Enright 1
- Buchebroc Press 1
- Buckingham Press 1
- Budding Books 1
- Budget Print & Design 1
- Bulfinch Press 1
- Bullfinch Publications 2
- Bunny And Gold 1
- Burke 3
- Burke Books 1
- Burke Publishing 1
- Burke Publishing Company Ltd. 6
- Burnett Books 1
- Burns & Oates 5
- Burns Oates And Washbourne Ltd. 2
- Burroughs Wellcome And Col. 1
- Bus Enthusiast Publishing Company 2
- Buschlen Mowatt 1
- Butterworth & Co. (publishers) Ltd 1
- Butterworth Architecture 1
- Butterworth-Heinemann Ltd. 1
- Butterworths 7
- Butterworths Scientific Publications 1
- C. & J. Temple Ltd. 3
- C. Arthur Pearson Ltd. 7
- C. Combridge 1