- Maḥbūbī, ʻUbayd Allāh ibn Masʻūd, -1346 or 1347. Wishāḥ fī al-maʻānī wa-al-bayān1
- Maḥzor. Yom Kippur1
- Meat inspection (Jewish law)1
- Medea, consort of Aegeus, King of Athens (Mythological character)1
- Medici, Alamanno de'1
- Medici, Alessandro de', 1510-15371
- Medici, Bernardo de'1
- Medici, Elisabetta de'1
- Medici, Fabrizio de'1
- Medici, Francesca de'1
- Medici, Giulio de'1
- Medici, Ottavia Altoviti1
- Medicinal plants1
- Meditation--Hinduism1
- Meistersinger1
- Melanchthon, Philip, 1497-1560. De officio principum1
- Meneses, Pedro de, Conde de Vila Real, -14371
- Metaphor1
- Meteorologica (Aristotle)1
- Mexico--Mexico City1