- Marriage (Canon law)4
- Materia medica, Vegetable4
- Medici, Alessandro de', 1510-15374
- Medici, Camillo de'4
- Medici, Niccolo de'4
- Medicine, Magic, mystic, and spagiric4
- Mediterranean Region4
- Mediterranean Sea4
- Metal clasps4
- Meteorologica (Aristotle)4
- Mineralogy4
- Miracles4
- Monasteries4
- Mukhtaṣar al-Qudūrī (Qudūrī, Aḥmad ibn Muḥammad)4
- Munfarijah (Ibn al-Naḥwī, Yūsuf ibn Muḥammad)4
- Mysticism--Catholic Church4
- Mythology, Classical4
- Nabi, 1641 or 1642-17124
- Names, Personal--Arabic4
- Navigation4