- Mandala8
- Manners and customs8
- Manuscripts, 18th century8
- Manuscripts, Arabic--18th century8
- Manuscripts, Armenian8
- Manuscripts, Greek (Medieval and modern)8
- Manuscripts, Latin (Medieval and modern)--Massachusetts--Northampton.8
- Maps8
- Marriage--Religious aspects8
- Medici, Andrea de'8
- Monastic and religious life of women8
- Mufaṣṣal (Zamakhsharī, Maḥmūd ibn ʻUmar)8
- Muslim scholars--Biography8
- Muslims--Biography8
- New moon--Religious aspects--Hinduism8
- Orthodox Eastern Church8
- Outlines and syllabi8
- Persian language--Versification8
- Philip II, King of Spain, 1527-15988
- Piccolomini, Giovanni d'Andrea di Nanni Todeschini, 1475-15378