Oklahoma City Times (Oklahoma City, Okla.), Vol. 71, No. 47, Ed. 1 Monday, April 4, 1960, newspaper, April 4, 1960; (https://gateway.okhistory.org/ark:/67531/metadc2003773/m1/1/: accessed June 14, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .