Former Owner
- John Wright1
- Josceline Bagot1
- Joseph Barrois3
- Joseph E. Widener2
- Joseph Jekyll1
- Julia Burgess1
- Katholieke Universiteit te Leuven Universiteitsbibliotheek1
- Lady Margaret Ayloffe1
- Leo Olschki1
- Louis César de La Baume Le Blanc1
- Louis H. Silver3
- M. Pierre Guarin1
- Maggs Bros Ltd2
- Marcel Mirgodin1
- Margaret of Croy1
- Martin Schøyen2
- Mary W. T. Dickinson1
- Mary, Queen of Scots1
- Miriam Lutcher Stark1
- Morot1