{
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  "number": "RS21938",
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  "source": "University of North Texas Libraries Government Documents Department",
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      "sourceLink": "https://digital.library.unt.edu/ark:/67531/metadc816109/",
      "id": "RS21938_2007Jan24",
      "date": "2007-01-24",
      "retrieved": "2016-03-19T13:57:26",
      "title": "Unauthorized Aliens in the United States: Estimates Since 1986",
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    {
      "source": "University of North Texas Libraries Government Documents Department",
      "sourceLink": "https://digital.library.unt.edu/ark:/67531/metadc806450/",
      "id": "RS21938_2004Sep15",
      "date": "2004-09-15",
      "retrieved": "2016-03-19T13:57:26",
      "title": "Unauthorized Aliens in the United States: Estimates Since 1986",
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  ],
  "topics": [
    "Domestic Social Policy",
    "Immigration Policy"
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}