Oklahoma City Times (Oklahoma City, Okla.), Vol. 84, No. 76, Ed. 1 Saturday, May 19, 1973, newspaper, May 19, 1973; (https://gateway.okhistory.org/ark:/67531/metadc1788814/m1/1/: accessed June 12, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .