Zimmerman, Warren. The Guymon Herald. (Guymon, Okla.), Vol. 21, No. 21, Ed. 1 Thursday, August 3, 1911, newspaper, August 3, 1911; (https://gateway.okhistory.org/ark:/67531/metadc273291/m1/1/: accessed August 18, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .