Former Owner
- Piero Ginori Conti2
- Prince Sadruddin Aga Khan2
- Richard Heber2
- Robert Mignan2
- Simon Gratz2
- Susan B. Minns2
- William Bragge2
- William Keeney Bixby2
- William Taylor Scheide2
- Abbey of Saint Gall1
- Adriana R. Salem1
- Adán Inquaci1
- Albert C. Baugh1
- Albert M. Patrick1
- Albert Parker, 3rd Earl of Morley1
- Alexander Hamilton, 10th Duke of Hamilton1
- Alfredo Chavero1
- Ali Asghar Antiquatchi1
- Alonso Mendez de Parada1
- Amīr Bahādur Jank ʻAẓim Allāh Khān1