Publishers
- Augustus M. Kelley 4
- Aukland Art Gallery Toi O Tamaki 1
- Aurora Art Publishers 3
- Aurora Publications Limited 2
- Aurum Press 7
- Australian Digest Pty. Ltd. 1
- Australian Publicity Council 1
- Australian War Memorial 2
- Autobooks Ltd. 5
- Autobus Review Publications 1
- Autocraft Books 1
- Autocritica 1
- Autodromo Nazionale Di Monza 1
- Automobile Quarterly 1
- Automobile Year 1
- Automobilia 11
- Autopress 1
- Autosport 4
- Autotechnica 2
- Aventinum 1
- Avia Books Ltd. 1
- Aviani & Aviani Editori 1
- Aviation Historical Society Of New Zealand 1
- Aviation History Press 1
- Avon - Anglia Publications & Services 1
- Avon Gloucestershire And Somerset Environmental Monitoring Committee 1
- Avots 1
- Award Publications 5
- Aztex Corporation 1
- B. Arthaud 1
- B. Crosby & Co. 1
- B. Finch & Co. Ltd. 1
- B. Wahlstroms Bokforlag 1
- B.A. Hathaway Printers 1
- B.A. Seaby Ltd. 1
- B.B. Ltd. 9
- B.C. Williams 2
- B.G. Teubner 3
- B.S.A. Motor Cycles Ltd. 1
- B.T. Batsford 27
- B.T. Batsford Ltd. 33
- Back To Front 1
- Bailey Brothers and Swinfen Ltd. 3
- Bain Falls Publishing 2
- Bairns Books Ltd. 1
- Baldwin And Cradock 1
- Balfour Publications 1
- Ballantine Books 1
- Baltic 1
- Balzer And Bray 2
- Banbury Historical Society 1
- Bancroft & Co. Ltd. 3
- Bancroft & Co.(Publishers) Ltd. 10
- Bancroft Books 1
- Bantam Books 2
- Bantam Press 2
- Banyan Books 1
- Barbara Engel Therapy Services 1
- Barbican Art Gallery 1
- Barefoot Books 2
- Barefoot Books Ltd. 1
- Barnard, Roberts & Co. Inc 1
- Barnes & Noble Books 2
- Barnstormer Books 1
- Baron Birch 3
- Baron Jay Ltd. 1
- Barracuda Books 16
- Barre Publishers 1
- Barricade Books Inc. 1
- Barrie & Jenkins 3
- Barrie & Rockliff 1
- Barron's 1
- Barron's Educational Series 2
- Basf 1
- Basic Books 2
- Basil Blackwell 34
- Bath University Press 2
- Baton Transport 1
- Batsford 1
- Batsford Academic and Educational Ltd. 1
- Battle Of Britain Historical Society 1
- Battle of Britain Prints International Ltd. 2
- Baudouin Freres 1
- Baumgartners Buchhandlung 1
- Bay View Books 8
- BBC 6
- BBC Books 3
- Bbpress 1
- BCA 2
- Beaulieu Books 4
- Beaumont Press 1
- Beaver Books 1
- Beaverbrook Newspapers Limited 3
- Beddington, Carshalton & Wallington Archaeological Society 1
- Bedford College 1
- Bedfordshire Education Service 1
- Bedrock Press 2
- Beech Publishing House 4
- Beekay Publishers 6
- Beekman House 1