- Manuscripts, Sinhalese1
- Manuscripts, Yiddish1
- Marghīnānī, ʻAlī ibn Abī Bakr, -1196 or 11971
- Martyrologies1
- Mary, Blessed Virgin, Saint1
- Mary, Queen of Scots, 1542-15871
- Marāḥ al-arwāḥ (Ibn Masʻūd, Aḥmad ibn ʻAlī)1
- Mashāriq al-anwār (Ṣaghānī, al-Ḥasan ibn Muḥammad)1
- Masjid al-Ḥarām1
- Mawlid al-Nabī (Barzanjī, Jaʻfar ibn Ḥasan)1
- Memorial books (Holocaust)1
- Menasheh ben Asher, a.b.d. ḳ. Ropshits1
- Middle Ages1
- Middle East--Jerusalem1
- Middle East--Palestine1
- Military history1
- Mitnaggedim1
- Monastic and religious life--Early church1
- Monasticism and religious orders1
- Monks1