- Judges (Islamic law)3
- Judgment Day3
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Sharḥ Farāʼiḍ al-Sirājīyah3
- 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
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Maṭāliʻ al-anwār3
- Justinian I, Emperor of the East, 483?-5653
- Kashmir Śaivism3
- Kaydānī. Fiqh al-Kaydānī3
- Khabbāzī, ʻUmar ibn Muḥammad, 1231 or 2-1292. Mughnī fī uṣūl al-fiqh3
- Khawwāṣ, Aḥmad ibn ʻAbbād, 1378?-1454. Kāfī fī ʻilmay al-ʻarūḍ wa-al-qawāfī3
- Kingdom of God3
- Kings and rulers--Succession3
- Kāshī, Yaḥyá ibn Aḥmad. Qarah ḥāshiyah3
- Ladino language3
- Lamaʻāt (ʻIrāqī, Fakhr al-Dīn Ibrāhīm)3
- Land use--Law and legislation3
- Latin literature--Study and teaching3
- Law commentaries3
- Law, Medieval3