- Missions to Muslims1
- Mnemonics1
- Monastic and religious life--Early church1
- Money1
- Mongols1
- Monochord1
- Monte di pietà (Florence, Italy)1
- Monte, Guiduccio del1
- Monte, Monte di1
- Monteboro, Nicola di1
- Moral education1
- Morelli, Lorenzo Matteo, active 1480-14811
- Morso family1
- Mortgages1
- Moses (Biblical leader) in rabbinical literature1
- Mucini, Domenico1
- Mudlijī, Aḥmad ibn ʻUmar, d. 1355. Jāmiʻ al-mukhtaṣarāt wa-mukhtaṣar al-jawāmiʻ1
- Mugiello (Italy)1
- Muqniʻ fī ʻilm al-jabr wa-al-muqābalah (Ibn al-Hāʼim, Aḥmad ibn Muḥammad)1
- Music, Greek and Roman1