Hashem Majeed, M. 2005. Urban activity in the Levant before the Crusader invasion 460 - 490 AH / 1067 - 1097 AD. Adab Al-Rafidayn. 35, 41.1 (Apr. 2005), 533–552. DOI:https://doi.org/10.33899/radab.2005.166598.