Watt, W. O. The Greer County Democrat (Mangum, Okla.), Vol. 24, No. 51, Ed. 1 Thursday, September 3, 1914, newspaper, September 3, 1914; (https://gateway.okhistory.org/ark:/67531/metadc281057/m1/1/: accessed October 18, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .