The Mannford Eagle (Mannford, Okla.), Vol. 1, No. 5, Ed. 1 Thursday, April 16, 1981, newspaper, April 16, 1981; (https://gateway.okhistory.org/ark:/67531/metadc1948842/m1/1/: accessed May 30, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .