- Masorah1
- Mass--Celebration1
- Massachusetts--Wellesley1
- Materia medica1
- Materia medica, Vegetable1
- Matter--Religious aspects--Hinduism1
- Matthei, Bernardino1
- Mawlid al-Nabī (Barzanjī, Jaʻfar ibn Ḥasan)1
- Mawāhibī, Ibrāhīm ibn Maḥmūd, -1502 or 1503. Uṣūl muqaddimāt al-uṣūl1
- Mawḍūʻāt (Ibn al-Jawzī, Abū al-Faraj ʻAbd al-Raḥmān ibn ʻAlī)1
- Maxims, Arabic1
- Małogoszcz (Poland)1
- Maʻariv1
- Maḥbūbī, ʻUbayd Allāh ibn Masʻūd, -1346 or 1347. Wishāḥ fī al-maʻānī wa-al-bayān1
- Maḥzor. Yom Kippur1
- Meat inspection (Jewish law)1
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- Medici, Alamanno de'1
- Medici, Alessandro de', 1510-15371
- Medici, Bernardo de'1