- Kings and rulers--Genealogy2
- Knights of Malta2
- Knowledge, Theory of (Islam)2
- Lacquered bindings2
- Latin literature, Medieval and modern2
- Latin poetry, Medieval and modern2
- Leather bindings2
- Legends2
- Lettering2
- Lord's Supper2
- Luca, Jacopo di2
- Mahzorim2
- Manichaeism2
- Manuscripts, Aramaic2
- Manuscripts, Nahuatl2
- Manuscripts, Provençal2
- Manuscripts, Sanskrit2
- Mardāwī, ʻAlī ibn Sulaymān, 1414 or 1415-1480 or 1481. Tanqīḥ al-mushbiʻ fī taḥrīr aḥkām al-Muqniʻ2
- Maritime law2
- Martini, Cornelia2