Former Owner
- Giuseppe Martini11
- Herschel V. Jones11
- Phyllis Walter Goodhart Gordan11
- Wilfrid Voynich11
- Ambroise Firmin Didot10
- Charles Eliot Norton10
- Henry Charles Lea10
- John D. Stanitz10
- John Dozier Gordan10
- Leo S. Olschki Editore10
- Mary W. T. Dickinson10
- Adolph Sutro9
- E. Dwight Church9
- Imre De Vegh9
- Luigi Celotti9
- Matteo Luigi Canonici9
- Thomas FitzRoy Phillipps Fenwick9
- William Young Ottley9
- Henry Yates Thompson8
- James Lyell8