Cimarron Valley Clipper (Coyle, Okla.), Vol. 23, No. 21, Ed. 1 Thursday, December 20, 1923, newspaper, December 20, 1923; (https://gateway.okhistory.org/ark:/67531/metadc910472/m1/1/: accessed October 21, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .