. "irn508756" . . "Oral history interview with Johannes Hamann"@en . . . "1 videocassette (VHS), sound, color ; 1/2 in."@en . . . . "1991 July 20" . "The United States Holocaust Memorial Museum, Oral History Branch, in cooperation with Watchtower Bible and Tract Society, Inc. produced the interview with Johannes Hamann on July 20, 1991."@en . "No restrictions on use"@en . "No restrictions on access"@en .