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2. Did the 2007 Legal Arizona Workers Act Reduce the State's Unauthorized Immigrant Population?
3. Petition for writ of certiorari of petitioner United States of America, United States of America v. State of California, 590 U. S. _ 2020 (No. 19-532). https://www.supremecourt.gov/docket/docketfiles/html/public/19-532.html. (2020). Accessed 19 November 2020.
4. R. Capps , M. Chishti , J. Gelatt , J. Bolter , A. G. Ruiz Soto , “Revving up the deportation machinery: Enforcement and pushback under Trump” (Migration Policy Institute, Washington, DC, 2018).
5. D. Meissner , D. M. Kerwin , M. Chishti , C. Bergeron , Immigration Enforcement in the United States: The Rise of a Formidable Machinery (Migration Policy Institute, Washington, DC, 2013).