- Legal forms1
- Lemos, Pedro Fernández de Castro, conde de, 1576-16221
- Logic3
- Magic squares6
- Malikites1
- Manuscripts6
- Manuscripts, Arabic166
- Manuscripts, Javanese1
- Manuscripts, Latin (Medieval and modern)1
- Manuscripts, Oriental5
- Manuscripts, Panjabi1
- Manuscripts, Persian57
- Manuscripts, Renaissance1
- Manuscripts, Spanish1
- Manuscripts, Turkish59
- Manuscripts, Urdu4
- Maqṣūrah (Ibn Durayd, Muḥammad ibn al-Ḥasan)1
- Marriage--Religious aspects1
- Marriage--Religious aspects--Islam1
- Martyn, Henry, 1781-18121