Former Owner
- Mario Pedro Arata1
- Marion H. Gottfried1
- Mariota Lyle1
- Mark Augspürger1
- Mark Lansburgh1
- Markus Fugger1
- Marquis of Astorga1
- Marsden J. Perry1
- Martin Breslauer1
- Martin of Aragon1
- Martinus Nijhoff1
- Marvin-L. Colker1
- Mary Augusta Strachey1
- Mary Bloch1
- Mary Elizabeth Holte1
- Mary Lusher1
- Mary Schell Collins1
- Mary Shalom Karo1
- Mary Talbot, Countess of Shrewsbury1
- Mary, Queen of Scots1