The Oklahoma Eagle (Tulsa, Okla.), Vol. 51, No. 43, Ed. 1 Thursday, April 10, 1969, newspaper, April 10, 1969; (https://gateway.okhistory.org/ark:/67531/metadc1804915/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .