- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyat al-Tajrīd2
- Jābir ibn Ḥayyān2
- Kamāl al-Dīn Muḥammad ibn Muḥammad, -1418. Naẓm Nukhbat al-fikar fī muṣṭalaḥ ahl al-athar2
- Khadījah, -approximately 6192
- Khayālī, Aḥmad ibn Mūsá, -1457? Ḥāshiyah ʻalá sharḥ al-Taftāzānī2
- Khaṭīb al-Baghdādī, Abū Bakr Aḥmad ibn ʻAlī, 1002-1071. Asmāʼ al-mubhamah fī al-anbāʼ al-muḥkamah2
- Khūjahʹzādah, ʻAbd al-Naṣīr ibn ʻAbd Allāh, active 16th century. Taḥrīrāt ʻalá al-Ṭarīqah al-Muḥammadīyah2
- Kufic2
- Kufr (Islam)2
- Kumayl ibn Ziyād, 633 or 634-7012
- Lamaʻāt (ʻIrāqī, Fakhr al-Dīn Ibrāhīm)2
- Laylat al-Barāʼah2
- Legal documents2
- Legal forms2
- Letter writing, Persian2
- Literature2
- Lāmīyat al-ʻArab (Shanfará)2
- Manuscripts, Italian2
- Manīnī, Aḥmad ibn ʻAlī, 1678 or 1679-1758 or 1759. Istinzāl al-naṣr bi-al-tawassul bi-ahl Badr2
- Marghīnānī, Maḥmūd ibn Aḥmad, 1156 or 1157-1219 or 1220. Muḥīṭ al-Burhānī fī al-fiqh al-Nuʻmānī.--Abridgment2