San Antonio Express. (San Antonio, Tex.), Vol. 54, No. 95, Ed. 1 Sunday, April 6, 1919, newspaper, April 6, 1919; (https://texashistory.unt.edu/ark:/67531/metapth430899/m1/23/: accessed September 23, 2017), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .