Former Owner
- Clarence S. Bement2
- George Templeton Strong2
- James Lyell2
- Johann Heinrich van Ess2
- Leonello d'Este, Marquis of Ferrara2
- Norman H. Strouse2
- Simon Gratz2
- Warren C. Crane2
- Abbé [Dourout]1
- Ada E. Moorhead Thomas1
- Adolphe Morlot1
- Adrianus David Schinkel1
- Agnes Mongan1
- Albert C. Baugh1
- Albert Parker, 3rd Earl of Morley1
- Alexander Bannatyne Stewart1
- Alfred Trapnell1
- Allan Marquand1
- Andrea della Valle1
- Andrew Fountaine1