- Judgment Day (Islam)1
- Julius III, Pope, 1487-15551
- Karaite manuscripts1
- Karaitic literature1
- Kaʻbah (Mecca, Saudi Arabia)1
- Kemalpaşazade, 1468 or 1469-15341
- Kemalpaşazade, 1468 or 1469-1534. Iṣlāḥ wa-al-īḍāḥ1
- Khamrīyah (Ibn al-Fāriḍ, ʻUmar ibn ʻAlī)1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Lacquered bindings1
- Language and languages--Philosophy1
- Latin language1
- Laudatory poetry, Latin1
- Lemos, Pedro Fernández Ruiz de Castro y Osorio, conde de, active 17th century1
- Letter writing, Arabic1
- Letter writing, Turkish1
- Liturgics1
- Loans (Islamic law)1
- Magic1
- Mahzorim1