The Mangum Star. (Mangum, Okla. Terr.), Vol. 15, No. 10, Ed. 1 Thursday, September 11, 1902, newspaper, September 11, 1902; (https://gateway.okhistory.org/ark:/67531/metadc282185/m1/4/: accessed May 4, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .