The Simmons Brand (Abilene, Tex.), Vol. 12, No. 31, Ed. 1, Saturday, May 19, 1928, newspaper, May 19, 1928; (https://texashistory.unt.edu/ark:/67531/metapth96694/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .