Crittenden, H. L. Mangum Sun-Monitor. (Mangum, Okla.), Vol. 12, No. 37, Ed. 1 Thursday, September 11, 1902, newspaper, September 11, 1902; (https://gateway.okhistory.org/ark:/67531/metadc286248/m1/1/: accessed April 19, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .