- Monasticism and religious orders for women1
- Montferrand, Charles de1
- Montserrat (Abbey)1
- Mosteiro de S. Mónica (Lisbon, Portugal)1
- Mughnī al-labīb ʻan kutub al-aʻārīb (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)1
- Muhammediye (Yazıcıoğlu Mehmet)1
- Mukhtaṣar al-Manār (Ibn Ḥabīb, Ṭāhir ibn al-Ḥasan)1
- Mukhtaṣar al-Muntahá al-uṣūlī (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Mukhtaṣar al-Qudūrī (Qudūrī, Aḥmad ibn Muḥammad)1
- Mulakhkhaṣ fī al-hayʼah (Jaghmīnī, Maḥmūd ibn Muḥammad)1
- Munfarijah (Ibn al-Naḥwī, Yūsuf ibn Muḥammad)1
- Muqaddimah al-Jazarīyah fī al-tajwīd (Ibn al-Jazarī, Muḥammad ibn Muḥammad)1
- Music theory1
- Musical notation1
- Muṭawwal (Taftāzānī, Masʻūd ibn ʻUmar)1
- Mysteries and miracle-plays, English1
- Nahuatl language1
- Natural history1
- Natural law1
- Nautical charts1