The Guymon Democrat. (Guymon, Okla.), Vol. 12, No. 14, Ed. 1 Thursday, April 18, 1918, newspaper, April 18, 1918; (https://gateway.okhistory.org/ark:/67531/metapth352195/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .