San Antonio Register (San Antonio, Tex.), Vol. 8, No. 13, Ed. 1 Friday, July 1, 1938, newspaper, July 1, 1938; (https://texashistory.unt.edu/ark:/67531/metapth398362/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .