United States Holocaust Memorial Museum
box 1
Contains a copy of a report entitled"German Extermination Camps - Auschwitz and Birkena" written by escapees from the camp (unnamed in the report, later identified as Rudolf Vrba and Alfred Wetzler) in April 1944. The report was distributed in the United States by the War Refugee Board in November 1944.
German Extermination Camps - Auschwitz and Birkenau