. "1990 February 13" . "2 sound cassettes (90 min.),"@en . "Oral history interview with Edward Sacks"@en . . "No restrictions on access"@en . . . "irn566123" . "The Gratz College Holocaust Oral History Archive donated the interview to the United States Holocaust Memorial Museum in 2017."@en . . "No restrictions on use"@en . . .