Former Owner
- George Herbert, 4th Earl of Powis2
- George Leveson-Gower, 1st Duke of Sutherland2
- George Parker, 2nd Earl of Macclesfield2
- George W. Fitzwilliam2
- Giannalisa Feltrinelli2
- Gilhofer & Ranschburg. Lucerne, Suisse2
- Giovanni Perissinotti2
- Girolamo d'Adda2
- Giuseppe Bruschetti2
- Goodspeed's Book Shop2
- Gordon A. Block Junior2
- Grenville Kane2
- Hans Albrecht von Derschau2
- Hans P. Kraus2
- Harry Creswick2
- Harry G. Friedman2
- Harry Levinson2
- Henry Ellis Allen2
- Henry Frederick, Prince of Wales2
- Henry George Bohn2