The Sunday Constitution (Lawton, Okla.), Vol. 5, No. 42, Ed. 1 Sunday, May 21, 1978, newspaper, May 21, 1978; (https://gateway.okhistory.org/ark:/67531/metadc2040559/m1/1/: accessed July 12, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .