Former Owner
- Leicester Harmsworth1
- Lew David Feldman2
- Louis H. Silver1
- Luigi Celotti2
- Lundell Library1
- Mantell1
- Marco Antonio Morosini1
- Marguerite de Belleville1
- Mario Pedro Arata1
- Marquis of Astorga1
- Martin J. Cooper4
- Miriam Lutcher Stark6
- Miss Gostling1
- Moor of Ireton1
- Morell Thurston1
- Mr. Hals1
- Nicholas Herry1
- Northwich Library1
- Perceval Lucas1
- Peter Eaton2