Echols, R. C. & Townsend, G. B. The Mangum Star. (Mangum, Okla. Terr.), Vol. 16, No. 20, Ed. 1 Thursday, November 19, 1903, newspaper, November 19, 1903; (https://gateway.okhistory.org/ark:/67531/metadc281896/m1/1/: accessed December 16, 2017), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .