Vasilyeva, Olga. “Documents in the Firkovich Collection: Valuable Sources on the History of the Jewish Communities in Europe and the Middle East from the 12th to the 19th Century”. Karaite Archives, no. 2 (December 31, 2014): 201–220. Accessed December 5, 2024. https://pressto.amu.edu.pl/index.php/ka/article/view/4051.