- Illumination of books and manuscripts, Flemish2
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 1285. Lubāb al-iʻrāb2
- Italy--Milan2
- 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
- Jewish way of life2
- Jews--Dietary laws2
- Jews--Medicine2
- Judaism2
- Jugurthine War (111-105 B.C.)2
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. ḥāshiyah ʻalá Sharḥ Shamsīyah2
- Latin poetry2
- Latin poetry, Medieval and modern2
- Leather bindings2
- Liturgical books2
- Lollards2
- Manuscripts, English2
- Manuscripts, European2
- Manuscripts, Judeo-Arabic2