The Chickasha Daily Express (Chickasha, Okla.), Vol. 75, No. 141, Ed. 1 Wednesday, August 2, 1967, newspaper, August 2, 1967; (https://gateway.okhistory.org/ark:/67531/metadc1864962/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .