Capitol Hill Beacon (Oklahoma City, Okla.), Vol. 55, No. 74, Ed. 1 Sunday, April 7, 1957, newspaper, April 7, 1957; (https://gateway.okhistory.org/ark:/67531/metadc2060892/m1/1/: accessed June 26, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .