The Thresher (Houston, Tex.), Vol. 1, No. 9, Ed. 1 Friday, May 12, 1916, newspaper, May 12, 1916; (https://texashistory.unt.edu/ark:/67531/metapth229784/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .