"Oral history interview with Ralph Katz"@en . "2 sound cassettes, analog"@en . . . . . "1993 January 26" . "No restrictions on access"@en . "Andrea Winograd, on behalf of the Holocaust Museum & Center for Tolerance and Education, donated oral history interviews to the United States Holocaust Memorial Museum in April 2016."@en . . "Restrictions on use. Restrictions may exist. Contact the Museum for further information: reference@ushmm.org\n\nCopyright Holder: Holocaust Museum & Center for Tolerance and Education"@en . "irn558141" . . . .