Let us Seek and Investigate : An Appeal to the Informed among us who are prepared to Collect Material for the Construction of a History of the Jews in Poland and Russia - Dubnov, Semen M. (Simon-Dubnow-Institut für Jüdische Geschichte und Kultur [Tb1]. Jahrbuch des Simon-Dubnow-Instituts. - Göttingen : Vandenhoeck & Ruprecht, 2002-[2017]. - ISSN 2198-3097 7, 2008)