Ruzzin, Valentina. “Notaries’ Signs and Drawings: First Assessments of Genoese Documentation (12th-13th Centuries)”. Studi di storia medioevale e di diplomatica - Nuova Serie (March 3, 2022): 69–90. Accessed July 17, 2024. https://riviste.unimi.it/index.php/SSMD/article/view/16760.