- Marriage (Islamic law)3
- Mass3
- Mass--Celebration3
- Materia medica, Vegetable3
- Mathematics, Greek3
- Mawāqif fī ʻilm al-kalām (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)3
- Medici, Lorenzo de', 1449-14923
- Merkava3
- Metal clasps3
- Mishnah. Avot3
- Monasticism and religious orders for women3
- Muqniʻ (Ibn Qudāmah, Muwaffaq al-Dīn ʻAbd Allāh ibn Aḥmad)3
- Muslims3
- Muṭarrizī, Nāṣir ibn ʻAbd al-Sayyid, 1144-1213. Miṣbāḥ3
- Mysticism--Judaism3
- Officium pro defunctis (Catholic Church)3
- Old age3
- Oratory3
- Paoli, Stefano3
- Paolo, Stefano di3