Mangum Sun-Monitor. (Mangum, Okla.), Vol. 14, No. 23, Ed. 1 Thursday, June 2, 1904, newspaper, June 2, 1904; (https://gateway.okhistory.org/ark:/67531/metadc285061/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .