The Chickasha Daily Express (Chickasha, Okla.), Vol. 75, No. 135, Ed. 1 Wednesday, July 26, 1967, newspaper, July 26, 1967; (https://gateway.okhistory.org/ark:/67531/metadc1864956/m1/5/: accessed June 30, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .