Former Owner
- Maurilio Morazio1
- Menaḥem Naḥum, ha-Leṿi, mi-ḳ.ḳ. Dribin1
- Michaeliskonvent1
- Michiel family1
- Millard Meiss1
- Morris H. Morgan1
- Murray Anthony Potter1
- Muḥammad Amīn al-Sabtī al-Alūsī Anṣārī1
- Muḥammad ʻAlī Ḥasanī Dāʻī al-Islāmī1
- Nathaniel Castleton Stephen Poyntz1
- Neustift Abbey1
- Nicolas Moreau1
- Nicolaus de Monte Murro1
- Orlandus de Fatiis1
- Otto Vollbehr1
- Owen D. Young1
- Paulus de Graecus1
- Pedro García de Montoya1
- Peter Le Neve1
- Petrus Molitor1