Former Owner
- Leonello d'Este, Marquis of Ferrara2
- Matteo Luigi Canonici2
- Rosamond B. Loring2
- Sydney Cockerell2
- Walter Arthur Copinger2
- Walter Sneyd2
- A.G.T1
- Achille Genty1
- Adolphe Morlot1
- Adriana R. Salem1
- Adrianus David Schinkel1
- Alan Noel Latimer Munby1
- Alexander Hamilton, 10th Duke of Hamilton1
- Andrea della Valle1
- Anne of Brittany1
- Annie L. Wiggins1
- Antoine Joseph Rérolle1
- Antonio Dominico Restis1
- Arnold Jansen op de Haar1
- Arthur Brölemann1