Former Owner
- Leicester Harmsworth1
- Leo Olschki1
- Lew David Feldman1
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn1
- Louis César de La Baume Le Blanc1
- Luigi Celotti1
- Luis Mayora1
- Madeleine Cosman1
- Marco Antonio Morosini1
- Margaret of Croy1
- Marguerite de Belleville1
- Marie Thomas1
- Miguel de Mayora1
- Milt Freudenheim1
- Mirmellus Arnandi1
- Nathaniel Sherman Bouton1
- Nicholas N. Martinovitch1
- Northwich Library1
- Novalesa Abbey1
- Oliver Henry Perkins1