- 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
- Kings and rulers--Duties1
- Kings and rulers--Genealogy1
- Kings and rulers--Religious aspects1
- Kātī, Ḥusām al-Dīn al-Ḥasan, -1358 or 1359. Qāla aqūl1
- Languages, Secret1
- Laylat al-Barāʼah1
- Leather doublures1
- Legacies (Islamic law)1
- Legal petitions1
- Letter writing, Arabic1
- Letter writing, Persian1
- Liquor laws (Islamic law)1
- Local officials and employees--Salaries, etc.1
- Lunar eclipses1
- Mabādiʼ fī al-taṣrīf (Zanjānī, ʻAbd al-Wahhāb ibn Ibrāhīm)1
- Mahdi1