The Guymon Herald. (Guymon, Okla.), Vol. 31, No. 5, Ed. 1 Thursday, March 31, 1921, newspaper, March 31, 1921; (https://gateway.okhistory.org/ark:/67531/metadc274315/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .