Former Owner
- John de Vere, 12th Earl of Oxford1
- Joseph Pope1
- Juan de Gayferos de Eguiraum1
- Julia Burgess2
- Julie Florence de Cossette1
- Kenneth X. Robbins1
- Leicester Harmsworth1
- Leonello d'Este, Marquis of Ferrara2
- Lew David Feldman1
- Luigi Celotti1
- Madeleine Cosman1
- Marco Antonio Morosini1
- Marguerite de Belleville1
- Marie Thomas1
- Martin J. Cooper3
- Milton Fischmann23
- Miriam Lutcher Stark4
- Mirmellus Arnandi1
- Norman H. Strouse3
- Northwich Library1