Wierzbiński, Szymon. “Normans and Other Franks in 11th Century Byzantium: The Careers of the Adventurers before the Rule of Alexius I Comnenus”. Studia Ceranea 4 (December 30, 2014): 277–288. Accessed February 7, 2026. https://www.czasopisma.uni.lodz.pl/sceranea/article/view/5407.