The Simmons Brand (Abilene, Tex.), Vol. 5, No. 17, Ed. 1, Saturday, January 29, 1921, newspaper, January 29, 1921; (https://texashistory.unt.edu/ark:/67531/metapth97776/m1/3/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .