TOUNTA, Eleni. “The Perception of Difference and the Differences of Perception: The Image of the Norman Invaders in Southern Italy in Contemporary Western Medieval and Byzantine Sources”. Byzantina Symmeikta 20 (November 15, 2010): 111–142. Accessed May 4, 2024. https://ejournals.epublishing.ekt.gr/index.php/bz/article/view/3743.