Echols, R. C. & Townsend, G. B. The Mangum Star. (Mangum, Okla. Terr.), Vol. 15, No. 1, Ed. 1 Thursday, July 10, 1902, newspaper, July 10, 1902; (https://gateway.okhistory.org/ark:/67531/metadc280852/m1/1/: accessed December 18, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .