Former Owner
- Merlemont family1
- Michael Tomkinson1
- Michel Chasles1
- Middle Hill Rare Books & Manuscripts AB (Stockholm, Sweden)1
- Minnis, Katherine1
- Mitchell Starrett Buck1
- Monsieur de Bel Air1
- Morot1
- Morton Davis Mitchell1
- Mrs. F. W. Bartlett1
- Muriel Agnes Fry1
- Museo Cavaleri1
- Muḥammad Darvīsh Nūr al-Dīn Sunbulī1
- Muḥammad Jaʻfar1
- Muḥammad Shams al-Dīn Naqshband Nūrī1
- Muḥammad Ḥusayn ibn Jaʻfar Qulī1
- Muḥammad Ṣābir1
- Muṣ̣ṭafá Ibn ʻAlī Muʼmin Juwaynī1
- Nicholas Chevalier1
- Nicolas Antoine Labbey de Billy1