Ibrāhīm ʿA.
Min al-waṯā'iq al-ʿarabiyya fī l-ʿuṣūr al-wuṣtā : waṯīqat istibdāl. Mağallat kulliyyat al-Ādāb, Ğāmiʿat al-Qāhira, Le Caire. 1963;25/2:1-49.
Abbott N.
The monasteries of the Fayyum. Studies in Ancient Oriental Civilization. 1937;16:1-74.