Former Owner
- Margaret Barclay Wilson2
- Marilyn Carbonell2
- Mark Lansburgh2
- Mary Lacaita2
- Melk Abbey2
- Messieurs Du Trieu2
- Michael Tomkinson2
- Michel Chasles2
- Michele Cavaleri2
- Mikhail Golitsyn2
- Mohamed. Makiya2
- Moses Shapira2
- Muḥammad Anīs Ṭālawī2
- Muḥammad Darvīsh Nūr al-Dīn Sunbulī2
- Muḥammad ibn Muḥammad Zabārah2
- Muṣṭafa Ṣidḳī2
- Muṣṭafá Ṣidqī2
- Nafīsah bint al-Ḥājj Muḥammad Ghalyūn2
- Nathan Brown2
- Nicholas Bacon2