. . "Correspondence between Dr. Dworzecki and the organizers of the Second World Congress of Jewish Studies in Jerusalem, regarding Dworzecki's lecture at the congress, 1957, and other documentation regarding the congress, 1956-1959"@eng . "Correspondence between Dr. Dworzecki and the organizers of the Second World Congress of Jewish Studies in Jerusalem, regarding Dworzecki's lecture at the congress, 1957, and other documentation regarding the congress, 1956-1959"@eng . .