Correspondence with the World Jewish Congress (WJC), regarding the participation of Dr. Dworzecki in the publication of the book "Europe without Children" in English and French translation, and participation in projects connected to Holocaust research and the history of the Holocaust, 1945-1974 The file includes: - article by Aryeh Tartakower about the book, "The Man and the Fighter, Mordechaj Tenenbaum-Tamarof Hero of the Ghettos", by Nina Tenenbaum-Beker; - correspondence with Aryeh Tartakower, regarding awarding Power of Attorney to Dr. Dworzecki to serve as a delegate to the Zionist Congress, 1946.