- Manuscripts, Aramaic4
- Manuscripts, Ethiopic4
- Manuscripts, Provençal4
- Manuscripts, Yiddish4
- Maqāmāt (Ḥarīrī)4
- Masnavis, Persian4
- Maṣābīḥ al-sunnah (Baghawī, al-Ḥusayn ibn Masʻūd)4
- Medici, Camillo de'4
- Medici, Niccolo de'4
- Medicine, Greek and Roman4
- Medicine, Magic, mystic, and spagiric--Formulae, receipts, prescriptions4
- Medicine, Thai4
- Mediterranean Region4
- Middle East--Kurdistan4
- Mineralogy4
- Monasticism and religious orders--Rules4
- Mosques4
- Mosques (Islamic law)4
- Motazilites4
- Mufaṣṣal (Zamakhsharī, Maḥmūd ibn ʻUmar)4