The Greer County News (Mangum, Okla.), Vol. 19, No. 31, Ed. 1 Monday, August 18, 1958, newspaper, August 18, 1958; (https://gateway.okhistory.org/ark:/67531/metadc2138535/m1/1/: accessed June 30, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .