Garner, E. J. Cimarron Valley Clipper (Coyle, Okla.), Vol. 10, No. 47, Ed. 1 Thursday, April 6, 1911, newspaper, April 6, 1911; (https://gateway.okhistory.org/ark:/67531/metadc910732/m1/1/: accessed October 18, 2017), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .