Los Bravos del Norte de Ramón Ayala. Corazón vagabundo (Petter-Petter) bolero, Un presentimiento (Beto Villarreal) ranchera (San Antonio, Texas: Tex-Mex), undated

Los Bravos del Norte de Ramón Ayala. Corazón vagabundo (Petter-Petter) bolero, Un presentimiento (Beto Villarreal) ranchera (San Antonio, Texas: Tex-Mex), undated, Item: 216. Rio Record Shop Collection, 24006037. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/472821 Accessed September 27, 2026.