Former Owner
- Mark Lansburgh2
- Markus Fugger1
- Marquis of Astorga1
- Marsden J. Perry1
- Martin Breslauer1
- Martin J. Cooper4
- Martin Picker3
- Martin Schøyen8
- Martin of Aragon1
- Martinus Nijhoff1
- Marvin-L. Colker2
- Mary Augusta Strachey1
- Mary Bloch1
- Mary Elizabeth Holte1
- Mary Lacaita2
- Mary Lusher1
- Mary Schell Collins1
- Mary Shalom Karo1
- Mary Stanley, Countess of Derby1
- Mary Talbot, Countess of Shrewsbury1