Mangum Sun-Monitor. (Mangum, Okla.), Vol. 14, No. 33, Ed. 1 Thursday, August 11, 1904, newspaper, August 11, 1904; (https://gateway.okhistory.org/ark:/67531/metadc284808/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .