The Simmons Brand (Abilene, Tex.), Vol. [15], No. 21, Ed. 1, Saturday, February 28, 1931, newspaper, February 28, 1931; (https://texashistory.unt.edu/ark:/67531/metapth97970/m1/1/: accessed July 12, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .