The Houston Post. (Houston, Tex.), Vol. 35, No. 12, Ed. 1 Wednesday, April 16, 1919, newspaper, April 16, 1919; (https://texashistory.unt.edu/ark:/67531/metapth608828/m1/1/: accessed November 17, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .