- Manuscripts, Arabic213
- Manuscripts, Byzantine1
- Manuscripts, English (Middle)1
- Manuscripts, Greek1
- Manuscripts, Greek (Medieval and modern)1
- Manuscripts, Latin (Medieval and modern)8
- Manuscripts, Persian1
- Manuscripts, Turkish9
- Manār al-anwār fī al-uṣūl (Nasafī, ʻAbd Allāh ibn Aḥmad)1
- Maqāmāt (Ḥarīrī)1
- Maqṣad al-jalīl fī ʻilm al-Khalīl (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Marāḥ al-arwāḥ (Ibn Masʻūd, Aḥmad ibn ʻAlī)1
- Mashāriq al-anwār (Ṣaghānī, al-Ḥasan ibn Muḥammad)1
- Mathematics, Arab4
- Mawāqif fī ʻilm al-kalām (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Medicine, Arab6
- Metaphysics1
- Middle East1
- Miftāḥ al-ʻulūm (Sakkākī, Yūsuf ibn Abī Bakr)2
- Minhāj al-ṭālibīn (Nawawī)1