The Champion. (Center, Tex.), Vol. 41, No. 21, Ed. 1 Wednesday, May 22, 1918, newspaper, May 22, 1918; (https://texashistory.unt.edu/ark:/67531/metapth1321383/m1/1/: accessed June 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .