The Guymon Herald. (Guymon, Okla.), Vol. 21, No. 12, Ed. 1 Thursday, June 1, 1911, newspaper, June 1, 1911; (https://gateway.okhistory.org/ark:/67531/metadc273121/m1/6/: accessed May 21, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .