Briggs, Vernon M. "Illegal Immigration and the American Labor Force: The Use of Soft Data for Analysis." The Conference on Measurement of Social and Economic Data and Public Policy, University of Texas at Austin (First draft), 1975 April 10-11

Briggs, Vernon M. "Illegal Immigration and the American Labor Force: The Use of Soft Data for Analysis." The Conference on Measurement of Social and Economic Data and Public Policy, University of Texas at Austin (First draft), 1975 April 10-11, Box: 156, Folder: 10. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/388690 Accessed September 27, 2026.