Estrada, Leobardo F., José Hernández, and David Alvarez: "Using Census Data", undated

Estrada, Leobardo F., José Hernández, and David Alvarez: "Using Census Data", undated, Box: 5. Martha Cotera Papers, 24005941. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/466565 Accessed September 25, 2026.