Former Owner
- Mary W. T. Dickinson1
- Matteo Luigi Canonici1
- Matthaeus Lupin1
- Maurilio Morazio1
- Maximilian Henry of Bavaria1
- Mayer Sulzberger1
- Melchior Daniel Neubronner1
- Michiel family1
- Moritz Joseph Johann von Dietrichstein1
- Mortimer Frank1
- Muḥammad Amīn al-Sabtī al-Alūsī Anṣārī1
- Muḥammad Anīs Ṭālawī1
- Muḥammad ʻAwwād ibn Ḥusayn Afandī1
- Muṣṭafá Ṣidqī1
- Neustift Abbey1
- Nicolas Moreau1
- Notre-Dame monastery (Ambert, France)1
- Noël Pinelli1
- Oliver R. Barrett1
- Omaha Public Library1