. "Oral history interview with Frederick Kahn"@en . "No restrictions on access"@en . . "7 CD-ROMs,"@en . "Sophie Caplan donated her interview with Frederick Kahn to the United States Holocaust Memorial Museum in Oct. 2009. The collection was transferred to the Museum’s Oral History Branch in 2010."@en . "1984 August 15" . . . . . . "No restrictions on use"@en . . "irn50998" . "Ms. Sophie Caplan"@en . .