Cristoferi, Davide. «“This Is the Best Income of the Commune: for God’s Sake, Let It Be maintained!” The Tendering Systems of the Dogana Dei Paschi of Siena in the 14th and 15th Centuries: Operation, Profits and Profile of the Contractors». Reti Medievali Rivista 26, no. 1 (giugno 21, 2025): 303–326. Consultato dicembre 15, 2025. https://serena.sharepress.it/index.php/rm/article/view/11557.