The Mangum Star. (Mangum, Okla.), Vol. 23, No. 13, Ed. 1 Thursday, September 22, 1910, newspaper, September 22, 1910; (https://gateway.okhistory.org/ark:/67531/metadc281092/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .