. "2 sound cassettes (90 min.),"@en . . . "Oral history interview with Henry Robertson"@en . . . . . "United States Holocaust Memorial Museum"@en . . . . "No restrictions on use"@en . . . "No restrictions on access"@en . "irn509193" . . . . . . "The United States Holocaust Memorial Museum ID Card Project conducted the interview with Henry Robertson."@en .