"irn720232" . . "Oral history interview with Alfred Büchler"@en . . . "André Poser/Blue Lights Heaven Production donated the oral history interviews of The Last Witnesses of Time collection to the United States Holocaust Memorial Museum in April 2020."@en . "1 digital file, MOV"@en . . . . . "No restrictions on use"@en . "2013 August 06" . "No restrictions on access"@en .