The Guymon Herald. (Guymon, Okla.), Vol. 21, No. 18, Ed. 1 Thursday, July 13, 1911, newspaper, July 13, 1911; (https://gateway.okhistory.org/ark:/67531/metadc272746/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .