- Istiṣḥāb (Islamic law)1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Maṭāliʻ al-anẓār1
- Jawshan al-kabīr1
- Jighmīnī, Maḥmūd ibn Muḥammad, -1221? Qānūnchah1
- Jighmīnī, Maḥmūd ibn Muḥammad, -1221?. Qānūnchah1
- Jihad1
- Jumʻah1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Mukhtaṣar al-Muntahá1
- Jābir ibn Ḥayyān1
- Jāmiʻ al-ṣaghīr (Suyūṭī)1
- Jāmī, 1414-14921
- Jāmī, 1414-1492. Poems1
- Jāmī, 1414-1492. Risālah-i muʻammā1
- Jārbardī, Fakhr al-Dīn Aḥmad ibn al-Ḥasan, -1345. Mughnī fī ʻilm al-naḥw1
- Khuzāʻī, Diʻbil ibn ʻAlī, 765 or 766-860 or 861. Qaṣīdah1
- Khānaqāh-i Niʻmat Allāhī1
- Kumayl ibn Ziyād, 633 or 634-7011
- Kurds1
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- Language and languages--Philosophy1