- Italy--Naples2
- Italy--Sicily2
- Italy--Venice2
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Taḥrīr al-qawāʻid al-manṭiqīyah2
- Jāmiʻ al-Azhar2
- Jāmiʻ al-ṣaḥīḥ (Muslim ibn al-Ḥajjāj al-Qushayrī)2
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)2
- Khaṭīb al-Baghdādī, Abū Bakr Aḥmad ibn ʻAlī, 1002-1071. Asmāʼ al-mubhamah fī al-anbāʼ al-muḥkamah2
- Latin language2
- Linguistic analysis (Linguistics)2
- Liturgics2
- Luca, Jacopo di2
- Manuscripts, Provençal2
- Martini, Cornelia2
- Martini, Roberto2
- Mathematics2
- Medici, Giovanni de'2
- Middle East--Jerusalem2
- Missouri--Saint Louis2
- Monasticism and religious orders2