McCormick, H. W. Mulhall Enterprise. (Mulhall, Okla.), Vol. 11, No. 1, Ed. 1 Friday, January 2, 1903, newspaper, January 2, 1903; (https://gateway.okhistory.org/ark:/67531/metadc285055/m1/1/: accessed September 21, 2017), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .