The Rattler (San Antonio, Tex.), Vol. 10, No. 15, Ed. 1 Friday, May 10, 1929, newspaper, May 10, 1929; (https://texashistory.unt.edu/ark:/67531/metapth614810/m1/1/: accessed June 12, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .