The Altus Times-Democrat (Altus, Okla.), Vol. 55, No. 114, Ed. 1 Sunday, May 20, 1979, newspaper, May 20, 1979; (https://gateway.okhistory.org/ark:/67531/metadc2123082/m1/3/: accessed July 17, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .