Sons of Zapata: A Brief Photographic History of the Farm Workers Strike in Texas. Rio Grande City, TX: United Farm Workers Organizing Committee, AFL-CIO, 1967

Sons of Zapata: A Brief Photographic History of the Farm Workers Strike in Texas. Rio Grande City, TX: United Farm Workers Organizing Committee, AFL-CIO, 1967, Box: 83. George I. Sánchez Papers, 23866736. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/541568 Accessed September 27, 2026.