"Oral history interview with Joseph Cooper"@en . . . . "2009 January 19" . . . . "6 sound recordings, MP3"@en . "No restrictions on access"@en . "irn700586" . . "No restrictions on use\n\nCopyright Holder: Brad Zarlin"@en . "Brad Zarlin donated his interviews to the United States Holocaust Memorial Museum in May 2019."@en .