page_title: Jourhaus
hierarchical_section_title: Jourhaus
caption_attribution_description: English: Mauthausen-Gusen concentration camp file of my grandfather, Jerzy Kaźmirkiewicz. The stamp apparently says HOLLERITH ERFASST which was stamped on many Personal Information Cards after they had been entered into an IBM Hollerith punch card system, as documented in "IBM and the Holocaust" by Edwin Black.
context_page_description: Jourhaus was the name of the entrance building to the prisoners' camp at Dachau and Gusen concentration camps. It housed administrative and command offices and was the location for disciplinary hearings of prisoners.
context_section_description: Jourhaus was the name of the entrance building to the prisoners' camp at Dachau and Gusen concentration camps. It housed administrative and command offices and was the location for disciplinary hearings of prisoners.
caption: Prisoner file card from registration at Gusen concentration camp
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