- Jāmiʻ al-ṣaghīr (Suyūṭī)1
- Jāmī, 1414-1492. Muʻammayāt asmāʾ al-ḥusná1
- Jāmī, 1414-1492. Risālah-i muʻammā1
- Jārabardī, Aḥmad ibn al-Ḥusayn, -1346. Mughnī fī ʻilm al-naḥw1
- Kaʻb al-Aḥbār, -655 or 6561
- Khamrīyah (Ibn al-Fāriḍ, ʻUmar ibn ʻAlī)1
- Khiḍr (Legendary character)1
- Kings and rulers--Duties1
- Kings and rulers--Religious aspects1
- Kātī, Ḥusām al-Dīn al-Ḥasan, -1358 or 1359. Qāla aqūl1
- Languages, Secret1
- Learning1
- Leather doublures1
- Legal documents1
- Legal documents (Islamic law)1
- Letter writing, Persian1
- Local officials and employees--Salaries, etc.1
- Lunar eclipses1
- Mabādiʼ fī al-taṣrīf (Zanjānī, ʻAbd al-Wahhāb ibn Ibrāhīm)1
- Malikites1