The Oklahoma News (Oklahoma City, Okla.), Vol. 25, No. 174, Ed. 1 Thursday, April 23, 1931, newspaper, April 23, 1931; (https://gateway.okhistory.org/ark:/67531/metadc2009655/m1/1/: accessed July 1, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .