Former Owner
- Henry Charles Lea13
- William H. Crain13
- Albert C. Baugh12
- Ambroise Firmin Didot12
- Bruce P. Ferrini12
- Eric J. Johnson12
- Henry Drury12
- Lisa Kiser12
- Luigi Celotti12
- Oliver Henry Perkins12
- Raṅganātha Marāṭhe (Son of Mayūreśvara)12
- Thomas FitzRoy Phillipps Fenwick12
- Imre De Vegh11
- Mary W. T. Dickinson11
- Buxheim Charterhouse10
- Henry Yates Thompson10
- Hermann Suchier10
- Leo S. Olschki Editore10
- Philip Milburn10
- Wilfrid Voynich10