- Islamic courts1
- Islamic magic1
- Ismāʻīl ibn ʻAbd Allāh, 1792 or 1793-18631
- Isra' and Mi`raj of the Prophet Muhammad1
- Istiṣḥāb (Islamic law)1
- Jawharat al-tawḥīd (Laqānī, Ibrāhīm ibn Ibrāhīm)1
- Jidd Ḥafṣī, ʻAlī ibn Luṭf Allāh, active 17th century-18th century1
- Judaism1
- Jārūdī, Nāṣir ibn Muḥammad, active 18th century1
- Karmī, Marʻī ibn Yūsuf, -1623 or 1624. Ghāyat al-muntahá fī al-jamʻ bayna al-Iqnāʻ wa-al-Muntahá1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Land tenure (Islamic law)1
- Land tenure--Law and legislation1
- Land use--Law and legislation1
- Legal ethics1
- Lāmīyah (Zaqqāq, ʻAlī ibn Qāsim)1
- Magic squares1
- Marriage (Islamic law)1
- Mathematics1
- Mathematics, Arab1