Mangum Sun-Monitor. (Mangum, Okla.), Vol. 15, No. 36, Ed. 1 Thursday, August 31, 1905, newspaper, August 31, 1905; (https://gateway.okhistory.org/ark:/67531/metadc285855/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .