- Masnavis, Persian1
- Masnavis, Turkish1
- Massachusetts--Williamstown1
- Medici, Andrea de'1
- Medici, Fabrizio de'1
- Medici, Vincenzo de'1
- Medicine, Arab1
- Mexico1
- Mexico--Mexico City1
- Mind and body--Religious aspects--Islam1
- Mineralogy1
- Miniature painting, Iranian1
- Mishkāt al-Maṣābīḥ (Khaṭīb al-Tibrīzī, Muḥammad ibn ʻAbd Allāh)1
- Monarchy1
- Moneylenders1
- Monte, Leonora Concini, marchesa di1
- Morales family1
- Morales, Andrés de, active 1683-16851
- Morales, Francisco de, active 1683-16851
- Morales, Nicolás de, active 1683-16851