Former Owner
- George Brudenell, 3rd Earl of Cardigan1
- George Dawson Coleman1
- George Herbert, 4th Earl of Powis1
- George Isted1
- George Sidney Hellman1
- George Templeton Strong1
- George Winter1
- Georgius Ruch1
- Gerard of Csanád1
- Giannalisa Feltrinelli1
- Gift of Joseph Hopkins to Fordham University,1961.1
- Gilhofer & Ranschburg. Lucerne, Suisse1
- Giovanni Angelo Altemps1
- Giovanni Baldovinetti1
- Giovanni Saibanti1
- Giovanni d'Andrea di Nanni Todeschini Piccolomini1
- Girard Dupeireux1
- Giuliano Attilio Piovano1
- Grenville Kane1
- Grosvenor, Richard1