- Manuscripts, Armenian1
- Manuscripts, English1
- Manuscripts, English (Middle)1
- Manuscripts, Italian--15th century1
- Manuscripts, Latin--16th century1
- Manuscripts, Oriental1
- Manuscripts, Turkish--19th century1
- Mary, Blessed Virgin, Saint1
- Mathematics, Greek1
- Medea,--consort of Aegeus, King of Athens (Mythological character)1
- Medicine1
- Mediterranean Region1
- Metaphysics1
- Metaphysics (Aristotle)1
- Meteorologica (Aristotle)1
- Meteorology1
- Monastic libraries1
- Mulakhkhaṣ fī al-hayʼah (Jighmīnī, Maḥmūd ibn Muḥammad)1
- Naval art and science1
- Nīlakaṇṭha, active 16th century. Nīlakaṇṭhī1