Former Owner
- M. Haimmiller1
- Madeleine Cosman1
- Malachia Ormanian1
- Manūchihr Nukhastīn Āṣaf Qājār1
- Manṣūr, Abū al-Faz̤l ibn Ghiyāth al-Dīn1
- Mark Lansburgh1
- Markus Fugger1
- Mary Augusta Strachey1
- Mary Schell Collins1
- Maximilian Henry of Bavaria1
- Mazliah Finzi1
- Maḥmūd bin Nāṣir1
- Michel Chasles1
- Michele Amari1
- Moritz Dessauer1
- Moritz Joseph Johann von Dietrichstein1
- Muḥammad Dhará1
- Muḥammad Nāṣir al-Dawlah1
- Muḥammad Riz̤ā1
- Muḥammad al-Raʼīs1