Eden, Jeff (2019). "Did Ibn Saud's militants cause 400,000 casualties? Myths and evidence about the Wahhabi conquests, 1902–1925". British Journal of Middle Eastern Studies. 46 (4): 519–534. doi:10.1080/13530194.2018.1434612. S2CID149088619.
Eden, Jeff (2019). "Did Ibn Saud's militants cause 400,000 casualties? Myths and evidence about the Wahhabi conquests, 1902–1925". British Journal of Middle Eastern Studies. 46 (4): 519–534. doi:10.1080/13530194.2018.1434612. S2CID149088619.