- Ibn al-ʻArabī, 1165-12402
- Illumination of books and manuscripts, Flemish2
- Iran--Shīrāz2
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 1285. Lubāb al-iʻrāb2
- Ishrāqīyah2
- Islamic calendar2
- Islamic magic2
- Isnawī, ʻAbd al-Raḥīm ibn al-Ḥasan, 1305-1370. Sharḥ al-Minhāj2
- Italy--Milan2
- Italy--Montaione2
- Italy--Mugello Valley2
- Iḥyāʼ ʻulūm al-dīn (Ghazzālī)2
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tasdīd al-ʻaqāʼid fī sharḥ Tajrīd al-qawāʻid2
- Jamʻ al-jawāmiʻ fī al-uṣūl (Subkī, Tāj al-Dīn ʻAbd al-Wahhāb ibn ʻAlī)2
- Jaʻbarī, Ṣāliḥ ibn Thāmir, d. 1306. Naẓm al-laʼālī2
- Jerome, Saint, -419 or 4202
- Jewish way of life2
- Jews--Dietary laws2
- Jews--Medicine2
- Jugurthine War (111-105 B.C.)2