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How are government documents arranged on the shelf?

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Government documents are arranged by the Superintendent of Documents (SuDocs) classification system.

Even though Superintendent of Documents numbers use periods, these are not decimal points. The periods simply separate elements of the number.

For example, if you were to look for the document Y 4.W 36:106-10, you would look for each element of the number separately, but in order:

  1. Y4
  2. W36
  3. 106-10
  4. And so on. . . . 


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