Publishers
- Goose and Son 1
- Gordon & Cremonesi 1
- Gordon Forrest 1
- Government Of India 3
- Government Of West Bengal 3
- Government Press, Bulaq 1
- Government Printing Office, Washington 1
- Gowans & Gray Ltd. 1
- Gower 1
- Gower Press 1
- Grafton Books 1
- Graham & Trotman Limited 1
- Graham Gauld 1
- Graham Horton 1
- Gralene Books 1
- Gramercy Books 2
- Granada 9
- Granada Publishering Limited 1
- Grandreams Limited 4
- Grange Books 3
- Grant and Griffith 3
- Grant Richards 21
- Granta Editions 1
- Graphic Publishers 2
- Grass, Barth & Comp. (w. Friedrich) 1
- Grasshopper 1
- Grayson & Grayson 1
- Great Bear Publishing 2
- Great Eastern Publishing 1
- Great Northern Books 5
- Great Western Railway Company 2
- Green Tiger Press 1
- Greenhill Books 20
- Greening & Co. Ltd. 2
- Greenwich Editions 5
- Greenwillow Books 1
- Greenwood Press 1
- Grenville Publishing Company Limited 4
- Gresley Books 1
- Greystone Books 2
- Grid Publishing 1
- Griffith and Farran 4
- Griffith Farran & Co. 3
- Griffith Farran Browne & Co Limited. 3
- Griffith Farran Browne & Co. Ltd. 1
- Griffith Farran Okeden & Welsh 4
- Griffith, Farran, Browne & Co. 1
- Griffith, Farran, Okeden & Welsh 1
- Groombridge & Sons 5
- Grosset & Dunlap 12
- Grosvenor Books 1
- Group Officers Association 1
- Grub Street 32
- Grund 1
- Gruppe C. Motorsport 2
- Gryphon Books 1
- Guardian Communications 1
- Guernsey Museums & Galleries 1
- Guild Publishing 15
- Guilford Press 2
- Guillaume 1
- Guinness Signatures 1
- Guinness Superlatives Ltd. 1
- Gulliver Books 1
- Gungarden Books 1
- Gv Art 1
- Gwas Prifysgol Cymru 1
- Gwasg Aberystwyth 2
- Gwasg Gee 1
- Gwasg Gomer 2
- Gwasg Prifysgol Cymru 2
- Gwent County Library 1
- Gwerin Publications 2
- Gwydyr Mines Publications 1
- Gwynedd Archive Services 1
- Gymdeithas Yr Eisteddfod 1
- H. & J. Pillans & Wilson 1
- H. Dumont 1
- H. F. & G. Witherby 6
- H. Fisher, Son And Jackson 2
- H. Fleischmann 2
- H. Humphreys 2
- H. Veenman & Zonen Ltd. 1
- H.A. and W.L. Pitkin Ltd. 8
- H.D. Symonds 1
- H.F. & G. Witherby Ltd. 32
- H.G. Walters 1
- H.J. Drane 1
- H.J. Publications 1
- H.K. Lewis 1
- H.O. Duncan 1
- Haakman B.V. 1
- Hachette 6
- Hackman Printers Ltd. 1
- Haessner Publishing Inc. 1
- Hafner Publishing Company 1
- Haile Sellassie I University 2
- Haileybury And Imperial Service College 1
- Haileybury Naural Science Society 1
- Hal Leonard Books 1