The Chickasha Daily Express (Chickasha, Okla.), Vol. 74, No. 169, Ed. 1 Thursday, September 1, 1966, newspaper, September 1, 1966; (https://gateway.okhistory.org/ark:/67531/metadc1864675/m1/1/: accessed June 3, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .