Former Owner
- Miriam Lutcher Stark1
- Miss Gostling1
- Mistrie, Sita Ram, Pandit1
- Mitchell Starrett Buck1
- Monastery at San Gregorio al Celio1
- Morell Thurston1
- Moritz Dessauer1
- Moritz Joseph Johann von Dietrichstein1
- Mortimer Frank1
- Morton Parker Eden1
- Moses Shapira1
- Moḍaka, Vināyaka1
- Mr. Hals1
- Muhammed Ali Khan Wallajah1
- Mullā ʻAbbās Zīvarī1
- Mushtaq Ali Khan I of Rampur1
- Muḥammad Amīn ʻAṭṭār1
- Muḥammad Bāqir1
- Muḥammad Bāqir Shīrāzī1
- Muḥammad Darvīsh Nūr al-Dīn Sunbulī1