- Manners and customs2
- Manuscripts4
- Manuscripts, Arabic68
- Manuscripts, Italian1
- Manuscripts, Latin (Medieval and modern)1
- Manuscripts, Medieval1
- Manuscripts, Persian22
- Manuscripts, Portuguese1
- Manuscripts, Sanskrit1
- Manuscripts, Spanish3
- Manuscripts, Turkish21
- Maqdisī, Muḥammad ibn Aḥmad, -1501 or 15021
- Mary, Blessed Virgin, Saint1
- Mary, of Bethany, Saint1
- Masnavis1
- Massachusetts--Boston1
- Massachusetts--Wellesley1
- Mathematics, Arab1
- Maydūmī, Muḥammad ibn Muḥammad, -13531
- Medicine, Arab1