The Chelsea Reporter (Chelsea, Okla.), Vol. 74, No. 11, Ed. 1 Thursday, May 15, 1969, newspaper, May 15, 1969; (https://gateway.okhistory.org/ark:/67531/metadc1857328/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .