The Thresher (Houston, Tex.), Vol. 3, No. 7, Ed. 1 Saturday, January 19, 1918, newspaper, January 19, 1918; (https://texashistory.unt.edu/ark:/67531/metapth229809/m1/1/: accessed April 23, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .