The Guymon Herald. (Guymon, Okla.), Vol. 31, No. 15, Ed. 1 Thursday, June 9, 1921, newspaper, June 9, 1921; (https://gateway.okhistory.org/ark:/67531/metadc274949/m1/1/: accessed February 25, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .