"Oral history interview with Leonard Vis"@en . . . "2 digital files, WAV"@en . . "United States Holocaust Memorial Museum"@en . "irn41509" . "No restrictions on use"@en . "No restrictions on access"@en . "2008 November 09" . "Ina Navazelskis, Program Coordinator for the United States Holocaust Memorial Museum Oral History Branch, conducted the interview with Leonard Vis on November 9, 2008. The interview was received by the United States Holocaust Memorial Museum Archives Branch in January 2010."@en . . . .