Mangum Sun-Monitor. (Mangum, Okla.), Vol. 12, No. 28, Ed. 1 Thursday, July 10, 1902, newspaper, July 10, 1902; (https://gateway.okhistory.org/ark:/67531/metadc285071/m1/1/: accessed June 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .