Former Owner
- Joseph Barrois3
- Katherine Somerset Wyttenbach Fenwick3
- Stevens Henry Newton3
- Sydney Cockerell3
- Thomas FitzRoy Phillipps Fenwick3
- William H. Crain3
- Edward Alexander Parsons2
- Ernst F. Detterer2
- Fabrizio Govi2
- Francesco Taccone2
- Karen L. Gould2
- Luigi Celotti2
- Richard Heber2
- Acton Griscom1
- Alan G. Thomas1
- Albert C. Baugh1
- Albert Charles Robinson Carter1
- Alice M. Taylor1
- Anne Baker Lewis1
- Antonio Lauro1