Oklahoma City Times (Oklahoma City, Okla.), Vol. 78, No. 59, Ed. 2 Friday, April 28, 1967, newspaper, April 28, 1967; (https://gateway.okhistory.org/ark:/67531/metadc1846598/m1/2/: accessed July 12, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .