Oklahoma City Labor's Daily (Oklahoma City, Okla.), Vol. 1, No. 224, Ed. 1 Friday, September 28, 1956, newspaper, September 28, 1956; (https://gateway.okhistory.org/ark:/67531/metadc2194363/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .