The Simmons Brand (Abilene, Tex.), Vol. 17, No. 34, Ed. 1, Saturday, June 17, 1933, newspaper, June 17, 1933; (https://texashistory.unt.edu/ark:/67531/metapth98058/m1/1/: accessed September 16, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .