Former Owner
- Lionel Tollemache, 4th Earl of Dysart1
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn1
- Louis H. Silver1
- Madeleine Cosman1
- Marion H. Gottfried1
- Mariota Lyle1
- Mary Lusher1
- Mary Stanley, Countess of Derby1
- Mary Talbot, Countess of Shrewsbury1
- Mary W. T. Dickinson1
- Matthew Bloxam1
- Maurice Johnson1
- Mortimer Loeb Schiff1
- Nathan Comfort Starr1
- Nathaniel Dunbar1
- Nicholas Bacon1
- Otto Orren Fisher1
- Peter Le Neve1
- Peterborough Central Library1
- Philip Carteret Webb1