. . . "irn724647" . "1 digital file, MPEG-4"@en . . . . . "2009 November 17" . "No restrictions on use"@en . . "Oral history interview with Robert Cohen"@en . "No restrictions on access"@en . "Selma Leydesdorff donated the oral history interviews of the Long Shadow of Sobibor collection to the United States Holocaust Memorial Museum in August 2020. The interviews were produced by Professor Leydesdorff of the University of Amsterdam in association with project manager Mirjam Huffener of the Sobibor Foundation."@en .