- Maṣābīḥ al-sunnah (Baghawī, al-Ḥusayn ibn Masʻūd)2
- Mecco, Francesca di1
- Mecco, Xalento di1
- Medea, consort of Aegeus, King of Athens (Mythological character)2
- Medical astrology1
- Medici, Alamanno de'1
- Medici, Bernardo de'1
- Medici, Giovanni de'2
- Medici, Giovenco de'1
- Medici, Giuliano de'1
- Medici, House of10
- Medici, Lorenzo de', 1449-14923
- Medici, Niccolò de'1
- Medici, Vanne de'1
- Medicinal plants1
- Medicine32
- Medicine, Arab10
- Medicine, Greek and Roman1
- Medicine, Greek and Roman--Manuscripts1
- Medicine, Magic, mystic, and spagiric6