Former Owner
- Garegnano Charterhouse1
- George Amos Poole1
- George Arthur Plimpton1
- George Dawson Coleman1
- George Dunn1
- George F. Leighton1
- George Folliott1
- George Templeton Strong1
- Giovan Battista Corbinello1
- Girolamo d'Adda1
- Giuseppe Antonelli1
- Giuseppe Bruschetti1
- Harrison Horblit1
- Henry Danby Seymour1
- Henry Middleton1
- Hoepli1
- House of Bentivoglio1
- House of Colonna1
- House of Rucellai1
- House of Sforza1