Vespignani, Giorgio. “A Bibliography of Byzantine Italy (6th-11th century). History, Society, Institutions”. Reti Medievali Journal 10, no. 1 (December 15, 2009): 397–444. Accessed November 8, 2026. https://serena.sharepress.it/rm/article/view/urn%3Anbn%3Ait%3Aunina-3107.