. "1992 June 16" . . . . . "Sharon Tash, of the United States Holocaust Memorial Museum ID Card Project, conducted the interview with Robert Gruber in Potomac, MD on June 16, 1992."@en . . "2 sound cassettes (90 min.),"@en . "No restrictions on use"@en . . "Oral history interview with Robert Gruber"@en . "United States Holocaust Memorial Museum"@en . . "irn509131" . "No restrictions on access"@en .