Böhm, Marcin. “Nikephoros Bryennios the Younger – the First One Not to Become a Blind Man? Political and Military History of the Bryennios Family in the 11th and Early 12th Century”. Studia Ceranea 10 (December 23, 2020): 31–45. Accessed April 26, 2024. https://czasopisma.uni.lodz.pl/sceranea/article/view/8935.