- Manuscripts, Rajasthani1
- Marriage (Canon law)1
- Mary Magdalene, Saint1
- Mary, Blessed Virgin, Saint, in the liturgy1
- Mawāqif fī ʻilm al-kalām (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Medical astrology1
- Medicine, Greek and Roman--Manuscripts1
- Medicine, Persian1
- Meditations1
- Meteorologica (Aristotle)1
- Meteorology1
- Military art and science1
- Minhāj al-ṭālibīn (Nawawī)1
- Miniature books1
- Monastic and religious life1
- Monastic and religious life of women1
- Monasticism and religious orders for women1
- Money1
- Montalvan, Alonso de1
- Mukhtār lil-fatwá (Mawṣilī, ʻAbd Allāh ibn Maḥmūd)1