- Marriage customs and rites1
- Marriage law1
- Marriage--Religious aspects--Islam1
- Martellini, Vincenzio1
- Marucelli, Benedetto1
- Marucelli, Francesco, 1625-17031
- Mary, Blessed Virgin, Saint1
- Masjid al-Ḥarām1
- Masnavis, Turkish1
- Massachusetts--Boston1
- Massaran, Isaac de1
- Mathematicians, Arab1
- Matthei, Bernardino1
- Mawḍūʻāt (Ibn al-Jawzī, Abū al-Faraj ʻAbd al-Raḥmān ibn ʻAlī)1
- Mawṣilī, Muḥammad ibn al-Ḥusayn, -1334 or 13351
- Medici, Alamanno de'1
- Medici, Alessandro de', 1510-15371
- Medici, Bastiano de'1
- Medici, Bernardo d'Alamanno de'1
- Medici, Bernardo de'1