- Mawāqif fī ʻilm al-kalām (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Maʻaśeh merkavah1
- Maṣābīḥ al-sunnah (Baghawī, al-Ḥusayn ibn Masʻūd)1
- Medici, Alessandro de', 1510-15371
- Medici, Giovanni Giacomo de', marchese di Marignano, 1495-15551
- Medici, Giuliano de', 1453-14781
- Medici, House of1
- Medicinal plants1
- Medicine, Ayurvedic--Formulae, receipts, prescriptions1
- Medicine, Chinese1
- Medicine, Greek and Roman1
- Mediterranean Sea1
- Mercy1
- Metaphor1
- Metaphysics (Aristotle)1
- Meteorologica (Aristotle)1
- Mevleviyeh1
- Mexico1
- Mezuzah1
- Michaelmas1