- Jaʻbarī, Ibrāhīm ibn ʻUmar, 1242 or 1243-1331 or 1332. Wāḍiḥah fī tajwīd al-Fātiḥah3
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Sharḥ khuṭbah al-Quṭbīyah3
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Lawāmiʻ al-asrār3
- Kaydānī. Fiqh al-Kaydānī3
- Khabbāzī, ʻUmar ibn Muḥammad, 1231 or 2-1292. Mughnī fī uṣūl al-fiqh3
- Khiḍr (Legendary character)3
- Kings and rulers--Duties3
- Kinship (Islamic law)3
- Kitāb (Sībawayh, ʻAmr ibn ʻUthmān)3
- Kāshī, Yaḥyá ibn Aḥmad. Qarah ḥāshiyah3
- Legacies (Islamic law)3
- Legal documents3
- Logic, Medieval3
- Manuscripts, Samaritan3
- Manāzil al-sāʼirīn (Anṣārī al-Harawī, ʻAbd Allāh ibn Muḥammad)3
- Manẓūmah al-Bayqūnīyah (Bayqūnī, Ṭāhā ibn Muḥammad)3
- Maqdisī, Muḥammad ibn ʻAlī, d. 1417. Niẓām al-mudhahhab fī mufradāt al-madhhab3
- Maqṣūrah (Ibn Durayd, Muḥammad ibn al-Ḥasan)3
- Massachusetts--Boston3
- Mas̲navī (Jalāl al-Dīn Rūmī, Maulana)3