Oklahoma City Times (Oklahoma City, Okla.), Vol. 81, No. 75, Ed. 1 Monday, May 18, 1970, newspaper, May 18, 1970; (https://gateway.okhistory.org/ark:/67531/metadc1785630/m1/6/: accessed July 18, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .