"Foreward," and "Jorge Isidoro Sánchez y Sánchez (1906-1972)" in Humanidad: Essays in Honor of George I. Sánchez. Los Angeles: Chicano Studies Center Publications, University of California, Los Angeles, 1977

"Foreward," and "Jorge Isidoro Sánchez y Sánchez (1906-1972)" in Humanidad: Essays in Honor of George I. Sánchez. Los Angeles: Chicano Studies Center Publications, University of California, Los Angeles, 1977, Box: 26, Folder: 47. Américo Paredes Papers, 51244413. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/458755 Accessed September 26, 2026.