Former Owner
- William Morris5
- Anthony Askew4
- Beverly Chew4
- Charles D. Humberd4
- Charles Stephen Ascherson4
- Charles William Dyson Perrins4
- Dropsie College for Hebrew and Cognate Learning4
- Engelberg Abbey4
- George C. Thomas4
- H. P. Kraus (firm)4
- Helge Frank4
- Jacques Rosenthal4
- James Halliwell-Phillipps4
- John D. Stanitz4
- John Hope, 1st Marquess of Linlithgow4
- Lathrop C. Harper, Inc.4
- Laurence Claiborne Witten II4
- Leicester Harmsworth4
- Leo Olschki4
- Leonello d'Este, Marquis of Ferrara4