Former Owner
- Harrison Wright2
- John III of Portugal2
- John Ruskin2
- Kaikhusroo Minocher Jamaspasa2
- Lawrence J. Schoenberg2
- Leonello d'Este, Marquis of Ferrara2
- Warren C. Crane2
- A. V. Williams Jackson1
- Achille Genty1
- Adriana R. Salem1
- Adán Inquaci1
- Albert Parker, 3rd Earl of Morley1
- Alexander Bannatyne Stewart1
- Alexander Hamilton, 10th Duke of Hamilton1
- Alexander Smith Cochran1
- Alfredo Chavero1
- Alphonse Labitte1
- Ambroise Firmin Didot1
- André Rooryck1
- Arnold Mettler1