. . . . . . . . . "Yiddish poet and songwriter, wrote what became the anthem of Cracow's Jewish underground resistance: Undzer shtetl brent (Our town is burning), shot and killed by German soldiers."@en . "1877\n\nJune 1942" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Gebirtig Mordechai" . . . "Encyclopedia of the Holocaust / ed. I. Gutman. - New York : Macmillan, 1990. - Vol. 2, p. 546-547"@en . . . . . . . . . .