- Judaism--Controversial literature1
- Lemos, Pedro Fernández de Castro, conde de, 1576-16221
- Malikites1
- Manuscripts, Latin1
- Manuscripts, Spanish1
- Manuscripts, Turkish1
- Martyn, Henry, 1781-18121
- Martyrdom--Islam1
- Medicine, Arab1
- Mehmed II, Sultan of the Turks, 1432-14811
- Metaphysics1
- Monastic and religious life1
- Muslim pilgrims and pilgrimages1
- Muslim pilgrims and pilgrimages--Law and legislation1
- Muslim scholars1
- Orthodox Eastern Church1
- Papal documents1
- Patron and client1
- Polemics1
- Prayers and devotions1