Wandell, Clarence F. Cimarron Valley Clipper (Coyle, Okla.), Vol. 15, No. 44, Ed. 1 Thursday, March 15, 1917, newspaper, March 15, 1917; (https://gateway.okhistory.org/ark:/67531/metadc910575/m1/1/: accessed December 17, 2017), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .