Ray Cabello y los Ases del Norte. Una sonrisa (Julian Castillo), Calma tu penas (Julian Castillo) (San Antonio, Texas: TVT), undated

Ray Cabello y los Ases del Norte. Una sonrisa (Julian Castillo), Calma tu penas (Julian Castillo) (San Antonio, Texas: TVT), undated, Item: 192. Rio Record Shop Collection, 24006037. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/472797 Accessed September 27, 2026.