Former Owner
- George C. Thomas2
- Harry C. Koenig2
- Henry Pelham-Clinton, 7th Duke of Newcastle2
- Henry William Poor2
- Henry Yates Thompson2
- Herschel V. Jones2
- Jacques Rosenthal2
- John Boykett Jarman2
- John Henry Ellis2
- Laurence Claiborne Witten II2
- Leonardo Lapiccirella2
- Leonello d'Este, Marquis of Ferrara2
- Michele Cavaleri2
- Philip Hofer2
- Robert de Hangest2
- San Sisto, Piacenza2
- Sandbergs Bokhandel2
- Stephen Butler Rare Books & Manuscripts2
- Thomas F. Richardson2
- Ward Murphey Canaday2