The Houston Post. (Houston, Tex.), Vol. 36, No. 310, Ed. 1 Monday, February 7, 1921, newspaper, February 7, 1921; (https://texashistory.unt.edu/ark:/67531/metapth609282/m1/1/: accessed November 15, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .