. "Oral history interview with Martin Becker"@en . . . "1 sound cassette (90 min.),"@en . "The Bay Area Holocaust Oral History Project conducted the interview with Martin Becker on December 6, 1989. The interview was received by the United States Holocaust Memorial Museum Archives Branch in April 2007."@en . . . . . . . "1989 December 06" . "irn45858" . . . . "No restrictions on access"@en .