Provero, Luigi. “The Political Spaces of the Aristocracy in Carolingian and Post-Carolingian Lombardy (9th-10th Centuries)”. Studi di storia medioevale e di diplomatica - Nuova Serie, no. 4 (June 15, 2021): 233–247. Accessed July 18, 2024. https://riviste.unimi.it/index.php/SSMD/article/view/15767.