The Houston Post. (Houston, Tex.), Vol. 37, No. 139, Ed. 1 Sunday, August 21, 1921, newspaper, August 21, 1921; (https://texashistory.unt.edu/ark:/67531/metapth609875/m1/8/: accessed February 27, 2021), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .