- Matteo, Giovanni di1
- Mawṣilī, Muḥammad ibn al-Ḥusayn, -1334 or 13351
- Medicine, Arab1
- Merchants1
- Meschiati, Giovanni1
- Mevleviyeh1
- Michigan--Kalamazoo1
- Middle East--Palestine1
- Mills and mill-work1
- Minucci, Ducciarello1
- Minuzio, Chellino1
- Minuzio, Giannino1
- Monasteries1
- Monasticism and religious orders1
- Monasticism and religious orders for women1
- Monasticism and religious orders--Middle Ages1
- Montano, Cola, -14821
- Motion1
- Mukhtaṣar al-Qudūrī (Qudūrī, Aḥmad ibn Muḥammad)1
- Mukhtār lil-fatwá (Mawṣilī, ʻAbd Allāh ibn Maḥmūd)1