Genequand, D., "Umayyad Castles: The Shift From Late Antique Military Architecture to Early Islamic Palatial Building," in: Kennedy, H (ed.), Muslim Military Architecture in Greater Syria: from the Coming of Islam to the Ottoman Period, [History of Warfare Series], vol. 35, no. 2, Boston Brill, Leiden, 2006, pp. 3-25; Yalman, S., "The Art of the Umayyad Period (661–750)," The Met Museum,Online:
mjmes.wordpress.com
Mavrakis, N., "The Hurufiyah Art Movement in Middle Eastern Art," McGill Journal of Middle Eastern Studies Blog, Online: https://mjmes.wordpress.com/2013/03/08/article-5/;Tuohy(չաշխատող հղում), A. and Masters, C., A-Z Great Modern Artists, Hachette UK, 2015, p. 56
