Former Owner
- Lathrop Colgate Harper12
- Thomas FitzRoy Phillipps Fenwick12
- Adolph Sutro11
- Ambroise Firmin Didot11
- Herschel V. Jones11
- Lisa Kiser11
- Phyllis Walter Goodhart Gordan11
- Wilfrid Voynich11
- Buxheim Charterhouse10
- Henry Charles Lea10
- John D. Stanitz10
- John Dozier Gordan10
- John Henry Ellis10
- Leo S. Olschki Editore10
- Luigi Celotti10
- Mary W. T. Dickinson10
- Philip Milburn10
- Bruce P. Ferrini9
- E. Dwight Church9
- Enluminures9