Former Owner
- George Amos Poole24
- Guglielmo Libri Carucci dalla Sommaja23
- Richard Heber23
- Howard Lehman Goodhart22
- William Chmurny22
- Alfred C. Chapin21
- Foliophiles21
- Robert Garrett21
- Matteo Luigi Canonici20
- Alfred Chester Beatty19
- David Bee18
- Janārdana Koṇḍadeva Gāḍagīla18
- Jean Hersmulle Duport18
- Charles Hoff17
- Charles Sumner17
- Susan Coulter17
- Ernst F. Detterer16
- Henry Drury16
- James Lyell16
- New York Academy of Medicine16