"Copyright Holder: Mrs. Erna K. Perry"@en . . "Contains an “Arbeitsbuch” [workbook for foreigners] issued to “Irena Kruczewska” the false identity of Ida Kamerman [donor’s mother] in Katowice, Poland on January 8, 1944; four photographic images of Erna Kamerman [donor] taken while she was living in a rectory under the false name of “Danka,” where her mother was assigned to work as a slave laborer, dated 1944 in Katowice, Poland."@en . . . "irn34868" . . . . "Kamerman family collection"@en . "United States Holocaust Memorial Museum"@en . . . "folder\n\n1"@en . .