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- Karo, Joseph ben Ephraim, 1488-15751
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- Kemalpaşazade, 1468 or 1469-1534. Tafsīr al-Fātiḥah1
- Kemalpaşazade, 1468 or 9-1534. Risālah fī al-haykal al-insānī1
- Keśavācārya Daivajña, active 16th century. Jātakapaddhati1
- Khabīṣī, ʻUbayd Allāh ibn Faḍl Allāh, -approximately 1640. Tahdhīb fī sharḥ al-Tahdhīb1
- Khadījah, -approximately 6191
- Khafrī, Muḥammad, -1407 or 1408. Ḥāshīyah ʻalá Sharḥ al-Qūshjī ʻalá al-Tajrīd1
- Khalaf al-Barbarī, 6th cent.?1
- Khalwatī, Ayyūb ibn Aḥmad, -1660 or 1661. Mawwāl1
- Khalwatīyah1
- Khawwāṣ, Aḥmad ibn ʻAbbād, 1378?-1454. Kāfī fī ʻilmay al-ʻarūḍ wa-al-qawāfī1