- Judgment Day (Islam)1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Mukhtaṣar al-Muntahá1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Shamsīyah1
- Jāmiʻ al-ṣaḥīḥ (Bukhārī, Muḥammad ibn Ismāʻīl)2
- Kamāl al-Dīn Muḥammad ibn Muḥammad, -1418. Naẓm Nukhbat al-fikar fī muṣṭalaḥ ahl al-athar2
- Kamāl al-Dīn Muḥammad ibn Muḥammad, d. 1418. Naẓm Nukhbat al-fikar fī muṣṭalaḥ ahl al-athar1
- Karaite manuscripts3
- Kemalpaşazade, 1468 or 1469-1534. Tafsīr al-Fātiḥah1
- Khamrīyah (Ibn al-Fāriḍ, ʻUmar ibn ʻAlī)2
- Kirmānī, Maḥmūd ibn Muḥammad, 1329?-1404 or 1405. Farāʼiḍ al-ījāz1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)2
- Lamaʻāt (ʻIrāqī, Fakhr al-Dīn Ibrāhīm)1
- Language and languages--Philosophy2
- Legacies (Islamic law)1
- Logic10
- Malikites1
- Manuscripts, Arabic74
- Manuscripts, Hebrew3
- Manuscripts, Persian5
- Manuscripts, Turkish7