Perani, Mauro. «The Most Ancient Hebrew Manuscripts Reused As Bookbinding in Europe: The Tosefta of Norcia and the Še’iltot of Ravenna from the 10th Century». Sefer yuḥasin ספר יוחסין | Review for the History of the Jews in South Italy<br>Rivista per la storia degli ebrei nell’Italia meridionale 8 (ottobre 5, 2020): 151–174. Consultato aprile 27, 2025. https://serena.atcult.it/index.php/sefer/article/view/7231.