Harding, L. D. Mayes County Republican (Pryor, Okla.), Vol. 11, No. 16, Ed. 1 Thursday, June 13, 1918, newspaper, June 13, 1918; (https://gateway.okhistory.org/ark:/67531/metadc957140/m1/1/: accessed May 26, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .