Former Owner
- Michel de Léon1
- Michele Amari1
- Monastero di Santo Spirito in Verona1
- Moritz Dessauer1
- Murray Anthony Potter1
- Muḥammad Dhará1
- Muḥammad Riz̤ā1
- Muḥammad ibn Jaʻfar Yaḥyá1
- Muṣṭafa Ṣidḳī1
- Nicholai von Bodeck1
- Nicolai Briganti1
- Nicolas Fowle1
- Nicolaus de Monte Murro1
- Orlandus de Fatiis1
- Oswald Carl Friedrich von Seilern und Aspang1
- Pangracius Chrewczer1
- Paul Louis Feiss1
- Pazzi family1
- Pease, John William, 1820-19001
- Peter Ludwig1