The Freedom Call (Freedom, Okla.), Vol. 17, No. 49, Ed. 1 Thursday, September 7, 1939, newspaper, September 7, 1939; (https://gateway.okhistory.org/ark:/67531/metadc2108285/m1/1/: accessed July 4, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .