Former Owner
- House of Venier1
- J. A. Dortmond1
- J. A. Shanley1
- John Rolls, 1st Baron Llangattock1
- John William Burns1
- Leicester Harmsworth1
- Leo Olschki1
- Leonello d'Este, Marquis of Ferrara1
- Lew David Feldman1
- Luigi Celotti1
- Marco Antonio Morosini1
- Matteo Luigi Canonici1
- Nathaniel Sherman Bouton1
- Novalesa Abbey1
- Paolo Giovio1
- Pietro Canal1
- Pietro Giometti1
- Richard Heber1
- Robert Oppenheim1
- Seymour de Ricci1