- Manuscripts, Catalan2
- Manuscripts, Oriental2
- Materia medica2
- Medicine, Magic, mystic, and spagiric2
- Medicine--Formulae, receipts, prescriptions2
- Missouri--Saint Louis2
- Monasticism and religious orders2
- Monasticism and religious orders--Rules2
- Mufaṣṣal (Zamakhsharī, Maḥmūd ibn ʻUmar)2
- Mughnī al-labīb ʻan kutub al-aʻārīb (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)2
- Music2
- Musnad (Ibn Ḥanbal, Aḥmad ibn Muḥammad)2
- Muṭarrizī, Nāṣir ibn ʻAbd al-Sayyid, 1144-1213. Miṣbāḥ fī al-naḥw2
- North Macedonia--Skopje2
- Notaries2
- Philosophy, Medieval2
- Plague2
- Poems2
- Prayer books2
- Proverbs, Arabic2