- Marbled paper bindings2
- Marghīnānī, Maḥmūd ibn Aḥmad, 1156 or 1157-1219 or 1220. Muḥīṭ al-Burhānī fī al-fiqh al-Nuʻmānī.--Abridgment2
- Marriage (Canon law)2
- Marriage--Religious aspects--Hinduism2
- Martyrdom--Islam2
- Mary Magdalene, Saint2
- Mashāriq al-anwār (Ṣaghānī, al-Ḥasan ibn Muḥammad)2
- Maḥzor. High Holidays2
- Maḥzor. Yom Kippur2
- Medici, Alessandro de', 1510-15372
- Medici, Andrea de'2
- Medicine, Magic, mystic, and spagiric--Formulae, receipts, prescriptions2
- Methodology2
- Midrash rabbah. Genesis2
- Military history, Medieval2
- Miracles2
- Mirʼāt al-uṣūl (Hüsrev, Molla)2
- Missals (Service books)2
- Mnemonics2
- Monastic and religious life--Middle Ages2