. "United States Holocaust Memorial Museum"@en . "1997 February 28" . . . "Nancy Alper, a volunteer for the United States Holocaust Memorial Museum Oral History branch conducted this interview on February 28, 1997, in Chevy Chase, Md. The interview was transferred to the Museum's Archives on February 28, 1997."@en . "No restrictions on access"@en . . "Oral history interview with Frank Ephraim"@en . . "8 sound cassettes (74 min.),"@en . "No restrictions on use"@en . . . . "irn507565" .