San Antonio Express. (San Antonio, Tex.), Vol. 53, No. 166, Ed. 1 Saturday, June 15, 1918, newspaper, June 15, 1918; (https://texashistory.unt.edu/ark:/67531/metapth430431/m1/5/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .