- Italy--Sicily4
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tasdīd al-ʻaqāʼid fī sharḥ Tajrīd al-qawāʻid4
- Jewish religious poetry, Hebrew4
- Jews--Medicine4
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá sharḥ Tajrīd al-iʻtiqād4
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. ḥāshiyah ʻalá Sharḥ Shamsīyah4
- Jāmiʻ al-ṣaḥīḥ (Bukhārī, Muḥammad ibn Ismāʻīl)4
- Karaite manuscripts4
- Leather bindings4
- Liturgics--Texts4
- Logic, Medieval4
- Manuscript fragments4
- Manuscripts, Portuguese4
- Marāḥ al-arwāḥ (Ibn Masʻūd, Aḥmad ibn ʻAlī)4
- Medici, Camillo de'4
- Medici, Niccolo de'4
- Medicine, Persian4
- Miscellanea4
- Mukhtaṣar (Khalīl ibn Isḥāq al-Jundī)4
- New moon--Religious aspects--Judaism4