Varanini, Gian Maria. “Florence and the Florentine State in the 14th and 15th Centuries”. Reti Medievali Journal 11, no. 1 (June 15, 2010): 3–11. Accessed April 23, 2025. https://serena.atcult.it/index.php/rm/article/view/urn%3Anbn%3Ait%3Aunina-3040.