Former Owner
- 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
- Muḥammad ibn Jaʻfar Yaḥyá1
- Muḥammad ʻAbd al-Ḥayy ibn ʻAbd al-Kabīr al-Kinānī al-Ḥasanī1
- Muḥammad ʻAbduh1
- Muṣṭafa Ṣidḳī1
- Muṣṭafá Shāh ʻAlāʼī1
- Nasir al-Din al-Tusi1
- Nicholai von Bodeck1
- Nicolas Antoine Labbey de Billy1