- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Miṣbāḥ fī sharḥ al-Miftāḥ1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Maṭāliʻ al-anwār1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá sharḥ Tajrīd al-iʻtiqād1
- Jāmiʻ al-ṣaḥīḥ (Muslim ibn al-Ḥajjāj al-Qushayrī)1
- Jārbardī, Fakhr al-Dīn Aḥmad ibn al-Ḥasan, d. 1345. Mughnī fī ʻilm al-naḥw1
- Karaites--Liturgy1
- Khalkhālī, ḥusayn al-ḥusaynī, d. 1605. ḥāshiyah ʻalá sharḥ al-Dawwānī1
- Khaṣṣāf, Aḥmad ibn ʻUmar, -874 or 875. Adab al-Qāḍī1
- Kiddush1
- Kinship (Islamic law)1
- Kitāb (Sībawayh, ʻAmr ibn ʻUthmān)1
- Kurds1
- Kāfiyajī, Muḥammad ibn Sulaymān, -1474. Sharḥ al-Iʻrāb ʻan qawāʻid al-iʻrāb1
- Kāfī fī al-ʻarūḍ wa-al-qawāfī (Tibrīzī, Yaḥyá ibn ʻAlī)1
- Land tenure--Law and legislation1
- Language and languages--Philosophy1
- Laqānī, Muḥammad ibn Ḥasan, 1468 or 1469-1550. Ḥāshiyat Taṣrīf al-ʻIzzī1
- Latin language1
- Latin language--Study and teaching1
- Latin poetry1