Oklahoma City Times (Oklahoma City, Okla.), Vol. 79, No. 12, Ed. 1 Monday, March 4, 1968, newspaper, March 4, 1968; (https://gateway.okhistory.org/ark:/67531/metadc993345/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .