Enad, Wijdan Fareeq. “The Emirate of Hajj During the Reign of Caliph Harun Al-Rashid (170-193 AH/786-808 AD)”. Journal of Tikrit University for Humanities 29, no. 8, 1 (August 10, 2022): 137–156. Accessed January 19, 2026. https://jtuh.org/index.php/jtuh/article/view/94.