Zimmerman, Warren. The Guymon Herald. (Guymon, Okla.), Vol. 25, No. 17, Ed. 1 Thursday, July 1, 1915, newspaper, July 1, 1915; (https://gateway.okhistory.org/ark:/67531/metadc273448/m1/3/: accessed November 17, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .