al-Qawl al-dal'ala hayat al-Khidr wa wujud al-abdal - al-Hanafi, Nuh Mustafa; Khalil,'Abd al-'Azim Fathi; al-Shaghul,Muhammad'Abd al-Rahman (al-Qahirah : Dar Jawami' al-Kalam, 2003)
Keywords: Sufis; Khidṛ (Legendary character).