Kapriev, Georgi. “The Byzantine Culture Model of the 12th Century in Hugo Etherianus’ View”. Peitho. Examina Antiqua 5, no. 1 (January 24, 2014): 259–278. Accessed May 5, 2024. https://pressto.amu.edu.pl/index.php/peitho/article/view/8327.