The San Antonio Register (San Antonio, Tex.), Vol. 1, No. 18, Ed. 1 Friday, August 7, 1931, newspaper, August 7, 1931; (https://texashistory.unt.edu/ark:/67531/metapth389538/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .