The Thresher (Houston, Tex.), Vol. 4, No. 7, Ed. 1 Thursday, March 20, 1919, newspaper, March 20, 1919; (https://texashistory.unt.edu/ark:/67531/metapth229823/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .