The Mangum Star. (Mangum, Okla.), Vol. 21, No. 1, Ed. 1 Thursday, July 2, 1908, newspaper, July 2, 1908; (https://gateway.okhistory.org/ark:/67531/metadc281179/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .