REFERENCES: Studies used in this series

STATISTICS and DATA

• "A Portrait of Unauthorized Immigrants in the United States" (Pew Hispanic Center, 2009)

• "The National Agricultural Workers Survey" (U.S. Department of Labor)

• "Unauthorized Aliens Residing in the United States: Estimates Since 1986" (Congressional Research Service, 2009)

• "Unauthorized Aliens in the United States" (Congressional Research Service, 2010)

• "Just the Facts: Illegal Immigrants" (Public Policy Institute of California, 2008)

• "Yearbook of Immigration Statistics" (Department of Homeland Security)

IMMIGRATION ENFORCEMENT

• "Immigration-Related Worksite Enforcement: Performance Measures" (Congressional Research Service, 2010)

• "DHS and Immigration: Taking Stock and Correcting Course" (Migration Policy Institute, 2009)

• ""Illegal, but Not Undocumented: Identity Theft, Document Fraud, and Illegal Employment" (Center for Immigration Studies, 2009)

• "Findings of the E-Verify Program Evaluation" (Westat, 2009)

ECONOMICS

• "The Economic Logic of Illegal Immigration" (Gordon Hanson, 2007)

• "The Economics and Policy of Illegal Immigration in the United States" (Migration Policy Institute, 2009)

• "The Impact of Unauthorized Immigrants on the Budgets of State and Local Governments" (Congressional Budget Office, 2007)

• "Immigrant Legalization: Assessing the Labor Market Effects" (Public Policy Institute of California, 2010)

• "Immigration Reform: Implications for Farmers, Farm Workers, and Communities" (Philip Martin, 2010)

• "The High Cost of Cheap Labor: Illegal Immigration and the Federal Budget" (Center for Immigration Studies, 2004)

• "The Fiscal Burden of Illegal Immigration on United States Taxpayers" (Federation for American Immigration Reform, 2010)

• "Racing Backwards: The Fiscal Impact of Illegal Immigration in California, Revisited" (Philip Romero, 2007)

• "Day Labor in the Golden State" (Public Policy Institute of California, 2007)