- Manuscripts, Spanish1
- Manuscripts, Syriac1
- Maps1
- Maqdisī, ʻAbd Allāh ibn ʻAfīf al-Dīn, d. 13361
- Maqṣūrah (Ibn Durayd, Muḥammad ibn al-Ḥasan)1
- Margaret, of Antioch, Saint1
- Marginalia1
- Martino, Vanni di1
- Mashāriq al-anwār (Ṣaghānī, al-Ḥasan ibn Muḥammad)1
- Masorah1
- Materia medica, Animal1
- Matteo, Giovanni di1
- Mawṣilī, Muḥammad ibn al-Ḥusayn, -1334 or 13351
- Maḥzor. Yom Kippur1
- Medicinal plants1
- Medicine, Persian1
- Medicine--Formulae, receipts, prescriptions1
- Medicine--Manuscripts1
- Menorah1
- Mercenary troops1