Keall, Edward J. “Getting to the Bottom of Zabid: The Canadian Archaeological Mission in Yemen, 1982-2011”. Proceedings of the Seminar for Arabian Studies 42 (September 1, 2012): 129–143. Accessed April 4, 2026. https://www.archaeopresspublishing.com/ojs/index.php/PSAS/article/view/1612.