Mangum Sun-Monitor. (Mangum, Okla.), Vol. 18, No. 2, Ed. 1 Thursday, December 26, 1907, newspaper, December 26, 1907; (https://gateway.okhistory.org/ark:/67531/metadc285588/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .