Former Owner
- George F. Leighton1
- George Templeton Strong1
- Gerard of Csanád1
- Giannalisa Feltrinelli1
- Gilhofer & Ranschburg. Lucerne, Suisse1
- Giovan Battista Corbinello1
- Giovanni Baldovinetti1
- Giovanni Saibanti1
- Girolamo d'Adda1
- Giuseppe Bruschetti1
- Hampton L. Carson1
- Harrison Horblit1
- Henri Schiller1
- Henry Danby Seymour1
- Henry Middleton1
- Hoepli1
- House of Bentivoglio1
- House of Colonna1
- House of Rucellai1
- House of Sforza1