Former Owner
- Mahdī ibn Muṣṭafá al-Ḥusaynī1
- Manookjee Sorabjee Ashburner1
- Matteo Luigi Canonici1
- Maximilian Henry of Bavaria1
- Mayer Sulzberger1
- Maḥmūd bin Nāṣir1
- Mobed Framji Fardunji Madan1
- Mobed Hormazdyar Mobed Khodabaksh1
- Mohammed bin Hamed bu Osman1
- Monastero di Santo Spirito in Verona1
- Monteles, Avraham de1
- Monteles, Yosef de1
- Morris Harold Saffron1
- Morris Jastrow, Jr.1
- Muḥammad Darvīsh Nūr al-Dīn Sunbulī1
- Muḥammad Dhará1
- Muḥammad Ghazlāwī1
- Muḥammad Nāṣir al-Dawlah1
- Muḥammad Riz̤ā1
- Muḥammad Riḍā ibn ʻAbd Allāh1