Roberts, Jasper N. The Duke Times (Duke, Okla.), Vol. 3, No. 52, Ed. 1 Thursday, June 1, 1911, newspaper, June 1, 1911; (https://gateway.okhistory.org/ark:/67531/metadc402967/m1/1/: accessed December 18, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .