Niblack, Leslie G. The Oklahoma Leader. (Guthrie, Okla.), Vol. 21, No. 1, Ed. 1 Thursday, June 1, 1911, newspaper, June 1, 1911; (https://gateway.okhistory.org/ark:/67531/metadc162784/m1/1/: accessed September 22, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .