The Chickasha Daily Express (Chickasha, Okla.), Vol. 81, No. 177, Ed. 1 Sunday, September 30, 1973, newspaper, September 30, 1973; (https://gateway.okhistory.org/ark:/67531/metadc1866878/m1/1/: accessed May 21, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .