Publishers
- D. & W. Gibbs Ltd. 1
- D. Appleton & Company 2
- D. Appleton And Company 3
- D. Bogue 1
- D. Bradford Barton 19
- D. Brown & Sons Limited 30
- D. Lloyd Hughes And Dorothy M. Williams 1
- D. Mortimore 1
- D. Reidel Publishing Company 7
- D. Salesbury Hughes 1
- D. Van Nostrand 2
- D. Van Nostrand Company 1
- D. Wyllie & Son 1
- D.B. Rees 1
- D.Brown & Sons Ltd. 1
- D.C. Thomson & Co Ltd. 54
- D.S. Brewer 1
- D.V. Publications Ltd. 13
- Da Capo Press 1
- Dahne Verlag 1
- Daily Express 280
- Daily Herald 2
- Daily Mail 3
- Daily Mirror 11
- Daily Mirror Books 1
- Daily Post 1
- Daily Sketch & Sunday Graphic Ltd. 5
- Daimler-Benz 1
- Dainippon Kaiga Co., Ltd. 1
- Dakini Media Ltd 1
- Daldy, Isbister & Co. 1
- Dalesman Books 3
- Dalesman Publishing Company Ltd. 3
- Dalton Watson 12
- Dalton Watson Fine Books 5
- Dana Estes & Company 1
- Daniel O'Connor 2
- Darf Publishers Ltd 1
- Dartmoor Preservation Association 1
- Darton & Co. 3
- Darton And Clark 2
- Darton And Hodge 1
- Darwin Books 1
- David & Charles 141
- David A. O'Connor 1
- David Allen & Sons Ltd 1
- David Archer 1
- David Bennett Books 2
- David Bennett Books Ltd. 2
- David Bogue 2
- David Bridge & Co. Ltd. 1
- David Bull Publishing 3
- David C. Cook Publishing Co. 1
- David Campbell Publishers Ltd. 1
- David Douglas 1
- David Fickling Books 4
- David G. Styles 1
- David Harris 1
- David McKay 1
- David McKay Company 6
- David Nutt 14
- David Ogilvy 1
- David R. Godine 1
- David St John Thomas 7
- David Welch 1
- David Weston Publications 1
- Davies And Co. 1
- Davis-Poynter 1
- Dawbarn & Ward Limited 1
- Dawne-Leigh Publications 1
- Dawson 3
- Dawson Publications 1
- Dawsons Of Pall Mall 1
- Day & Son 1
- DBI Books Inc. 1
- De Archaeologische Pers 1
- De Belgische Duivensport 1
- De Gruyter Open Ltd 1
- De Walburg Pers 1
- De Wolfe-Fiske & Co. 1
- Dean 6
- Dean & Son 5
- Dean & Son Ltd. 136
- Dean's Rag Book Co. Ltd. 21
- Dean's Rag Books 1
- Deans International Publishing 1
- Debecourt 1
- Debrett's Peerage Ltd. 1
- Defiant Publications 1
- Delacorte Press 3
- Delaware Museum Of Natural History 1
- Delittle, Fenwick & Co. 1
- Delius Klasing Verlag 1
- Dellen Publishing Company 1
- Delprado Publishers 3
- Dempsey Parr 2
- Denis Archer 1
- Dennis Dobson 25
- Dennis Dobson Books Ltd. 2
- Dennis Dobson Ltd. 22