Lake Keystone News Journal (Mannford, Okla.), Vol. 68, No. 33, Ed. 1 Wednesday, August 12, 1987, newspaper, August 12, 1987; (https://gateway.okhistory.org/ark:/67531/metadc1941622/m1/1/: accessed July 1, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .