- Manuscripts, Sanskrit4
- Manuscripts, Spanish5
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- Manuscripts, Turkish66
- Manuscripts, Urdu1
- Margaret, of Antioch, Saint2
- Marriage (Islamic law)1
- Mary, Blessed Virgin, Saint6
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- Masnavis2
- Masnavis, Persian1
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- Mass7
- Massachusetts--Wellesley3
- Massachusetts--Williamstown5
- Materia medica1
- Mathal al-sāʼir fī adab al-kātib wa-al-shāʻir (Ibn al-Athīr, Ḍiyāʼ al-Dīn Naṣr Allāh ibn Muḥammad)1
- Mathematics, Arab2
- Mathematics, Greek1
- Mawāqif fī ʻilm al-kalām (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1