El Heraldo De Brownsville (Brownsville, Tex.), Vol. 49, No. 33, Ed. 1 Tuesday, August 6, 1940, newspaper, August 6, 1940; (https://texashistory.unt.edu/ark:/67531/metapth1405777/m1/1/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .