Former Owner
- Girolamo d'Adda1
- Giuseppe Martini1
- Hugo Philipp Waldbott-Bassenheim1
- James C. Byrne1
- John Frederick Lewis1
- Joseph Barrois1
- Lucien Gougy1
- Orlandus de Fatiis1
- Paul de Berthou1
- Pauline Fore Moffitt1
- Pettini Libraria di Antonio Pettini1
- Phoebe Hearst1
- Robert Garrett1
- Rosamond B. Loring1
- Sir Thomas Brooke, 1st Baronet1
- Sir William Henry Ingilby, 4th Bt.1
- Sydney Cockerell1
- Vladimir G. Simkhovitch1
- Walter Arthur Copinger1
- William J. Shaw1