The Thresher (Houston, Tex.), Vol. 4, No. 11, Ed. 1 Thursday, April 17, 1919, newspaper, April 17, 1919; (https://texashistory.unt.edu/ark:/67531/metapth229827/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .