1. The Effect of Immigration Restrictions on Local Labor Markets: Lessons from the 1920s Border Closure
2. Log-rolling and economic interests in the passage of the Smoot-Hawley tariff
3. Lewis J. B. Devine L. Pitcher and K. Martis “Digital Boundary Definitions of United States Congressional Districts 1789-2012. [Data File and Code Book] ” 2013. Retrieved from https://cdmaps.polisci.ucla.edu on October 15 2023.
4. Lewis J. B. Devine L. Pitcher K. Martis K. Poole H. Rosenthal A. Boche A. Rudkin and L. Sonnet “Voteview: Congressional Roll-Call Votes Database ” 2023. https://voteview.com/.
5. Manson S. J. Schroeder D. Van Riper T. Kugler and S. Ruggles “IPUMS National Historical Geographic Information System: Version 16.0 [Dataset] ” 2021.