The Houston Post. (Houston, Tex.), Vol. 36, No. 99, Ed. 1 Sunday, July 11, 1920, newspaper, July 11, 1920; (https://texashistory.unt.edu/ark:/67531/metapth606927/m1/1/: accessed October 16, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .