- Islamic sermons1
- Islamic sermons, Persian1
- Israel1
- Italian literature1
- Italian literature--Societies, etc.1
- Italy--Naples1
- Italy--Padua1
- Italy--Rivarolo Ligure1
- Italy--Rome1
- Italy--Sicily1
- Italy--Siena1
- Italy--Syracuse1
- Italy--Verona1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tasdīd al-ʻaqāʾid fī sharḥ Tajrīd al-qawāʻid1
- Jaina literature, Prakrit1
- Jainism1
- Japanese poetry1
- Jawī Zādah, Muḥammad ibn Ilyās, -1547 or 1548. Risālah fī al-masḥ ʻalá al-khuffayn1
- Jaʻbarī, Ibrāhīm ibn ʻUmar, 1242 or 1243-1331 or 1332. Wāḍiḥah fī tajwīd al-Fātiḥah1
- Jerónima de la Asunción, madre, 1555-16301