- Mas̲navī (Jalāl al-Dīn Rūmī, Maulana)4
- Matter--Religious aspects--Hinduism4
- Mawāqif fī ʻilm al-kalām (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)4
- Maxims, Sanskrit4
- Maḥzor. High Holidays4
- Medici, Carlo de'4
- Medicinal plants4
- Medicine, Ayurvedic--Formulae, receipts, prescriptions4
- Medicine, Magic, mystic, and spagiric--Formulae, receipts, prescriptions4
- Metaphysics (Aristotle)4
- Mishnah. Avot4
- Mishneh Torah (Maimonides, Moses)4
- Monastic and religious life of women4
- Morocco bindings4
- Muslim martyrs4
- Names, Personal4
- Natural history4
- New moon--Religious aspects--Judaism4
- Nuzhat al-nuẓẓār fī ʻilm al-ghubār (Ibn al-Hāʼim, Aḥmad ibn Muḥammad)4
- Nātha sect4