Ballou, L. A. The Duke Booster (Duke, Okla.), Vol. 2, No. 21, Ed. 1 Friday, September 20, 1912, newspaper, September 20, 1912; (https://gateway.okhistory.org/ark:/67531/metadc826195/m1/1/: accessed March 26, 2019), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .