San Antonio Express. (San Antonio, Tex.), Vol. 55, No. 109, Ed. 1 Sunday, April 18, 1920, newspaper, April 18, 1920; (https://texashistory.unt.edu/ark:/67531/metapth431069/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .