"Sonora Estrella." El hipo de Perico (Favio Espinosa), Pedazo de mi vida (Manuel Hernández Ramos) (Unknown location: Gas), 1977

"Sonora Estrella." El hipo de Perico (Favio Espinosa), Pedazo de mi vida (Manuel Hernández Ramos) (Unknown location: Gas), 1977, Item: 270. Rio Record Shop Collection, 24006037. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/472875 Accessed September 27, 2026.