Peña, Carlos. La Voz (San Diego, Tex.), Vol. 1, No. 28, Ed. 1 Friday, July 3, 1936, newspaper, July 3, 1936; (https://texashistory.unt.edu/ark:/67531/metapth1096658/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .