Elk City News-Democrat (Elk City, Okla.), Vol. 19, No. 11, Ed. 1 Thursday, July 14, 1921, newspaper, July 14, 1921; (https://gateway.okhistory.org/ark:/67531/metadc496943/m1/1/: accessed December 17, 2017), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .