Ta-Shma, I. M. (1997). On the history of the Jews in twelfth- and thirteenth-century Poland. Polin.

Ta-Shma, Israel M. "On the History of the Jews in Twelfth- and Thirteenth-century Poland." Polin 1997.

Ta-Shma, Israel M. "On the History of the Jews in Twelfth- and Thirteenth-century Poland." Polin, 1997.