"20 frames"@en . . . "Open"@en . "This microfilm report detailing deportation to and conditions in Auschwitz- Birkenau, was written by 2 Slovakian prisoners who managed to escape. The report includes plans of Auschwitz- Birkenau and statistics on inmates. According to a preamble the authors withheld their names for reasons of security."@en . . "WL570a" . . . "Provenance unknown"@en . . "Eyewitness accounts re Auschwitz"@en . . . "Microfilm"@en . "Use MF Doc 54/ Reel 28"@en . . . .