The Simmons Brand (Abilene, Tex.), Vol. 14, No. 31, Ed. 1, Saturday, May 10, 1930, newspaper, May 10, 1930; (https://texashistory.unt.edu/ark:/67531/metapth97946/m1/1/: accessed May 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .