Mangum Sun-Monitor. (Mangum, Okla.), Vol. 19, No. 11, Ed. 1 Thursday, December 10, 1908, newspaper, December 10, 1908; (https://gateway.okhistory.org/ark:/67531/metadc286213/m1/4/: accessed April 25, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .