Wandell, Clarence F. Cimarron Valley Clipper (Coyle, Okla.), Vol. 18, No. 41, Ed. 1 Thursday, February 20, 1919, newspaper, February 20, 1919; (https://gateway.okhistory.org/ark:/67531/metadc912357/m1/1/: accessed December 13, 2017), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .