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IRO Control Center card

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ITS employees placed the IRO Control Center cards not only in the postwar card file but also in the Central Name Index (CNI). Scanning the 50 million index cards in the CNI was one of the first steps the ITS took toward digitization in the 1990s. This is why the IRO Control Center cards in the CNI are not colored cards but black-and-white scans.

ITS employees placed the IRO Control Center cards not only in the postwar card file but also in the Central Name Index (CNI). Scanning the 50 million index cards in the CNI was one of the first steps the ITS took toward digitization in the 1990s. This is why the IRO Control Center cards in the CNI are not colored cards but black-and-white scans.

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Questions and answers

  • What are considered variations in the e-Guide?

    The e-Guide distinguishes between main cards and variations. The reason for this is that there are sometimes different versions of a single type of document that can vary significantly.

    The documents referred to as main cards in the e-Guide are standard documents that were used especially frequently in concentration camps, DP camps, and for the registration of forced laborers, and about which a good deal of information is available. The Arolsen Archives also hold variations of these documents, however, which served the exact same purpose as the corresponding main cards, but which look different. There are various reasons for this: Some camps used their own individually produced cards instead of the standard versions. In many other cases, individual cards and forms were used before the introduction of standardized pre-printed forms.

  • Do you know more about the document?

    If you have any additional information about this document or any other documents described in the e-Guide, we would appreciate it very much if you could send your feedback to eguide@arolsen-archives.org. The document descriptions are updated regularly – and the best way for us to do this is by incorporating the knowledge you share with us.

     

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