The Simmons Brand (Abilene, Tex.), Vol. 14, No. 6, Ed. 1, Saturday, July 20, 1929, newspaper, July 20, 1929; (https://texashistory.unt.edu/ark:/67531/metapth96731/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .