The Statesman (Austin, Tex.), Vol. 47, No. 153, Ed. 1 Sunday, July 21, 1918, newspaper, July 21, 1918; (https://texashistory.unt.edu/ark:/67531/metapth1456214/m1/13/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .