Publishers
- Dexia 1
- Diamond Publishing Group 1
- Dick Wallen Productions 1
- Dickinson & Son 1
- Didier 1
- Dieterich'Sche 1
- Dietz 1
- Direzione E. Redazione 1
- Discovery Books 1
- Discovery Toys, Inc. 1
- Disney Editions 1
- Dobson Books Ltd. 1
- Dodd Mead 1
- Dodd, Mead & Company 6
- Dodge Publishing Company 1
- Doidge & Co 12
- Dolpebyll Studio Press 1
- Dolphin Books 1
- Donhead 2
- Dorchester Community Play Research Group 1
- Dorling Kindersley 15
- Dornier Gmbh 1
- Dorset Books 1
- Dorset Publishing Company 1
- Doubleday 57
- Doubleday & Company, Inc. 8
- Doubleday, Doran & Co Inc. 1
- Doubleday, Doran & Company Inc. 1
- Doubleday, Page & Company 4
- Douglas & McIntyre 1
- Douglas Loveridge Publications 1
- Douglas Mclean Publishing 1
- Douglas, David & Charles 1
- Dove Publishing 3
- Dove Publishing Ltd 1
- Dovecote Press 3
- Dover Publications 2
- Dover Publications Inc. 11
- Downey & Co. 1
- DPA-LTA Enterprises Inc. 1
- Dr. Alan Jones 1
- Dr. Friedrich Pfeil 1
- Dr. W. Junk 2
- Dragon's World 3
- Dragon's World Children's Books 1
- Draisey Publishing 1
- Draughtsmen's & Allied Technicians' association 1
- Dref Wen 1
- Druckerei Christ & Herr 1
- Dryden Press 2
- Dryhurst Publications 1
- DTS Publishing 2
- Ducimus Books 2
- Duckworth 7
- Duckworth & Co. 24
- Duke Marketing 1
- Dulau & Co. 1
- Dundee Museum & Art Gallery 1
- Dundurn 1
- Dunod 1
- Dupuis 1
- Durham County Conservation Trust Limited 2
- Dutton Children's Books 1
- Duxbury 2
- Dyllansow Truran 1
- Dymock's Book Arcade Ltd. 2