The Thresher (Houston, Tex.), Vol. 4, No. 9, Ed. 1 Thursday, April 3, 1919, newspaper, April 3, 1919; (https://texashistory.unt.edu/ark:/67531/metapth229825/m1/3/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .