. "United States Holocaust Memorial Museum"@en . . . "irn501085" . . "Leon Bitner papers"@en . "Testimony, 1 page, typewritten, along with photocopies of list of family members, and of photographs of Bitner. Brief description of life in Warsaw Ghetto and of period when he was hidden outside ghetto."@en . . . "folder\n\n1"@en . .