"This is a witness interview of the United States Holocaust Memorial Museum's Perpetrators, Collaborators, and Witnesses: The Jeff and Toby Herr Testimony Initiative, a multi-year project to record the testimonies of non-Jewish witnesses to the Holocaust. The interview was directed and supervised by Nathan Beyrak. The interview was conducted with Casper Sla in the Netherlands for the Netherlands Documentation Project on July 20, 2004. The interview was received by the United States Holocaust Memorial Museum Archives Branch in May 2005."@en . "Oral history interview with Casper Sla"@en . "United States Holocaust Memorial Museum"@en . . "No restrictions on use"@en . . "No restrictions on access"@en . "2 videocassettes (DVCAM), sound, color ; 1/4 in."@en . . "2004 May 02" . . . "irn517431" . . . . .