Former Owner
- Louis César de La Baume Le Blanc1
- Luigi Celotti1
- Luini, Pacifico (Franciscan priest), active 19th century1
- Malachia Ormanian1
- Marcus Jastrow1
- Mario Maffei1
- Matteo Luigi Canonici1
- Mazliah Finzi1
- Michel Chasles1
- Michel de Léon1
- Monastero di Santo Spirito in Verona1
- Moritz Dessauer1
- Morris Jastrow, Jr.1
- Muḥammad Dhará1
- Muḥammad Riz̤ā1
- Muḥammad ibn Jaʻfar Yaḥyá1
- Muḥammad Ṣadr al-Dīn1
- Muṣṭafa Ṣidḳī1
- Nicholai von Bodeck1
- Nicolas Antoine Labbey de Billy1