The Ponca City News (Ponca, Okla.), Vol. 67, No. 216, Ed. 1 Wednesday, June 8, 1960, newspaper, June 8, 1960; (https://gateway.okhistory.org/ark:/67531/metadc2052621/m1/1/: accessed May 30, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .