Dr. Abraham Silberschein Archive: Correspondence with the United States Embassy in Switzerland and with Roswell McClelland regarding the fate of those holding South American passports in the camps in Germany and in Vittel Also in the file: - American regulation regarding limitations on the granting of visas to the United States, 01 July 1941; - Request submitted by Dr. Silberschein for United States intervention on behalf of the refugees in Spain and Portugal, 20 June 1941; - Information from the "Washington Post", 26 January 1944, and from Juedische Nachrichten, the press agency of SIG [Union of Jewish Communities in Switzerland] (JUNA), 02 February 1944 regarding the establishment of the War Refugee Board (JWB) by President Franklin Delano Roosevelt; - Lists of detainees holding South American passports who were brought out of Germany as part of a barter exchange, January 1945; - Memo of a German diplomat regarding the roots of Nazism and the German Intelligence Services in Switzerland, 1944.