- Italy--Lombardy2
- Italy--Lucca2
- Italy--Montaione2
- Italy--Mugello Valley2
- Italy--Piacenza2
- Italy--Reggio Emilia (Province)2
- Italy--Umbria2
- Italy--Valle d'Aosta2
- Iʻrāb ʻan qawāʻid al-iʻrāb (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)2
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tasdīd al-ʻaqāʼid fī sharḥ Tajrīd al-qawāʻid2
- Jaʻbarī, Ṣāliḥ ibn Thāmir, d. 1306. Naẓm al-laʼālī2
- Jewish Rebellion (66-73 A.D.)2
- Jewish way of life2
- Jews--Dietary laws2
- Jews--Legal status, laws, etc.2
- Jews--Medicine2
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Lawāmiʻ al-asrār2
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. ḥāshiyah ʻalá Sharḥ Shamsīyah2
- Jāmiʻ al-Azhar2
- Khaṭīb al-Baghdādī, Abū Bakr Aḥmad ibn ʻAlī, 1002-1071. Asmāʼ al-mubhamah fī al-anbāʼ al-muḥkamah2