Zimmerman, Warren. The Guymon Herald. (Guymon, Okla.), Vol. 20, No. 3, Ed. 1 Thursday, March 31, 1910, newspaper, March 31, 1910; (https://gateway.okhistory.org/ark:/67531/metadc273239/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .