Wandell, Clarence F. Cimarron Valley Clipper (Coyle, Okla.), Vol. 20, No. 21, Ed. 1 Thursday, October 21, 1920, newspaper, October 21, 1920; (https://gateway.okhistory.org/ark:/67531/metadc911192/m1/1/: accessed December 13, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .