The Guymon Herald. (Guymon, Okla.), Vol. 21, No. 9, Ed. 1 Thursday, May 11, 1911, newspaper, May 11, 1911; (https://gateway.okhistory.org/ark:/67531/metadc273391/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .