The Guymon Democrat (Guymon, Okla.), Vol. 11, No. 17, Ed. 1 Thursday, May 10, 1917, newspaper, May 10, 1917; (https://gateway.okhistory.org/ark:/67531/metapth351495/m1/1/: accessed June 1, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .