. "The United States Holocaust Memorial Museum, Oral History Branch, in cooperation with Watchtower Bible and Tract Society, Inc. produced the interview with Adriaan Kamp on September 12, 1991."@en . . "No restrictions on access"@en . . "1 videocassette (VHS), sound, color ; 1/2 in."@en . . "No restrictions on use"@en . . . . "irn508762" . . . . "Oral history interview with Adriaan Kamp"@en . . . . . "1991 September 12" .