- Khamrīyah (Ibn al-Fāriḍ, ʻUmar ibn ʻAlī)1
- Knowledge, Theory of (Islam)1
- Kufr (Islam)1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Language and languages--Philosophy2
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- Logic7
- Manuscripts, Arabic25
- Manuscripts, Persian5
- Manuscripts, Turkish9
- Manāzil al-sāʼirīn (Anṣārī al-Harawī, ʻAbd Allāh ibn Muḥammad)1
- Maqṣūrah (Ibn Durayd, Muḥammad ibn al-Ḥasan)1
- Martyrdom--Islam2
- Mathematics, Arab1
- Mawāqif fī ʻilm al-kalām (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Maḥallī, Jalāl al-Dīn Muḥammad ibn Aḥmad, 1389-1459. Kanz al-rāghibīn sharḥ Minhāj al-ṭālibīn1
- Medicine, Arab1
- Metaphysics4
- Mevleviyeh1
- Minhāj al-ṭālibīn (Nawawī)1