Mangum Sun-Monitor. (Mangum, Okla.), Vol. 16, No. 49, Ed. 1 Thursday, November 29, 1906, newspaper, November 29, 1906; (https://gateway.okhistory.org/ark:/67531/metadc285851/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .