. "irn511341" . "1990 February 21" . "No restrictions on use"@en . . "The interview with William Ungar was conducted on February 21, 1990, for William B. Helmreich's book\"Against all odds: Holocaust survivors and the successful lives they made in America\" The interview was donated to the United States Holocaust Memorial Museum on October 30, 1992."@en . . "1 sound cassette (90 min.),"@en . . "Oral history interview with William Ungar"@en . "No restrictions on access"@en . . "Mr. William B. Helmreich"@en . .