Former Owner
- Mannheimer Hofbibliothek1
- Marcantonio Contarini1
- Marchese Linterno1
- Margaret Le Seigneur1
- Maria Riddell1
- Marie-François Duchesne de Beaumanoir1
- Martin Breslauer1
- Menno Hertzberger1
- Mitchell Starrett Buck1
- Monastery of Benevívere1
- Mushtaq Ali Khan I of Rampur1
- Muḥammad Bāqir1
- Muḥammad Bāqir Shīrāzī1
- Muḥammad Jaʻfar1
- Muḥammad Sabzavārī1
- Muḥammad Shams al-Dīn Naqshband Nūrī1
- Muḥammad Ḥusayn ibn Jaʻfar Qulī1
- Muṣ̣ṭafá Ibn ʻAlī Muʼmin Juwaynī1
- Pandit Gobindpurshad1
- Paul Gottschalk1