- Judaism--Prayers and devotions1
- Judeo-Arabic language1
- Judeo-Arabic literature1
- Jurisprudence1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Taḥrīr al-qawāʻid al-manṭiqīyah1
- Jāmiʻ al-Azhar1
- Kalīlah wa-Dimnah1
- Kanz al-daqāʼiq (Nasafī, ʻAbd Allāh ibn Aḥmad)1
- Khabbāzī, ʻUmar ibn Muḥammad, 1231 or 1232-1292. Mughnī fī uṣūl al-fiqh1
- Khabbāzī, ʻUmar ibn Muḥammad, 1231 or 2-1292. Mughnī fī uṣūl al-fiqh1
- Kings and rulers1
- Lamucci, Corso1
- Lancelot (Legendary character)1
- Land titles--Registration and transfer1
- Landlord and tenant1
- Latin language--Grammar1
- Latin poetry, Medieval and modern1
- Law reports, digests, etc.1
- Leases1
- Leather bindings1