The Houston Post. (Houston, Tex.), Vol. 34, No. 46, Ed. 1 Monday, May 20, 1918, newspaper, May 20, 1918; (https://texashistory.unt.edu/ark:/67531/metapth607982/m1/4/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .