- Karaite manuscripts4
- Karaites1
- Karaites (Jewish law)2
- Karaites--Liturgy1
- Karaitic literature2
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)6
- Kavvanot (Cabala)1
- Kaydānī. Fiqh al-Kaydānī2
- Kaʻbah (Mecca, Saudi Arabia)1
- Kemalpaşazade, 1468 or 1469-15341
- Khabbāzī, ʻUmar ibn Muḥammad, 1231 or 2-1292. Mughnī fī uṣūl al-fiqh1
- Khawāfī, Muḥammad ibn Muḥammad, 1356-1435. Awrād al-Zaynīyah1
- Khaṣṣāf, Aḥmad ibn ʻUmar, d. 874 or 5. Adab al-qāḍī2
- Kifāyat al-ḥuffāẓ (Ibn al-Hāʼim, Aḥmad ibn Muḥammad)1
- Kings and rulers14
- Kings and rulers--Genealogy1
- Kings and rulers--Heraldry1
- Kings and rulers--Religious aspects2
- Kirchmair, Georg, 1481-15541
- Knights of Malta2