- Khānaqāh-i Niʻmat Allāhī1
- Kings and rulers--Religious aspects1
- Kirmānī, Maḥmūd ibn Muḥammad, 1329?-1404 or 1405. Farāʼiḍ al-ījāz1
- Kisāʼī, ʻAlī ibn Ḥamzah, -804 or 8051
- Kitāb (Sībawayh, ʻAmr ibn ʻUthmān)1
- Kumayl ibn Ziyād, 633 or 634-7011
- Kurds1
- Kāfī fī al-ʻarūḍ wa-al-qawāfī (Tibrīzī, Yaḥyá ibn ʻAlī)1
- Land tenure (Islamic law)1
- Land use--Law and legislation1
- Laqānī, Muḥammad ibn Ḥasan, 1468 or 1469-1550. Ḥāshiyat Taṣrīf al-ʻIzzī1
- Laylat al-Barāʼah1
- Leather bindings1
- Lebanon--Baʻlabakk1
- Legal documents (Islamic law)1
- Libel and slander--Religious aspects--Islam1
- Literature1
- Liturgics1
- Local officials and employees--Salaries, etc.1
- Logic, Medieval1