CassutoUmberto Moshe David. The Destruction of the Rabbinic Academies in South Italy During the Thirteenth Century. Sefer yuḥasin ספר יוחסין | Review for the History of the Jews in South Italy<br&gt;Rivista per la storia degli ebrei nell’Italia meridionale 6 (ottobre 29, 2018): 47-70. Consultato ottobre 6, 2024. http://www.serena.unina.it/index.php/sefer/article/view/5880.