The Morning Tulsa Daily World (Tulsa, Okla.), Vol. 15, No. 294, Ed. 1, Friday, July 22, 1921, newspaper, July 22, 1921; (https://gateway.okhistory.org/ark:/67531/metadc77831/m1/1/: accessed December 14, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .