"Peter Wortsman conducted the interview with Stefan Grajek on April 9, 1975. The interview was received by the United States Holocaust Memorial Museum on September 9, 2003."@en . . . . "irn516245" . "No restrictions on use"@en . "Oral history interview with Stefan Grajek"@en . . "1 sound cassette (90 min.),"@en . . . . "No restrictions on access"@en . "1975 April 09" .