Enad, W.F. 2022. 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, 8, 1 (Aug. 2022), 137–156. DOI:https://doi.org/10.25130/jtuh.29.8.1.2022.07.