The Freedom Call (Freedom, Okla.), Vol. 15, No. 43, Ed. 1 Thursday, July 29, 1937, newspaper, July 29, 1937; (https://gateway.okhistory.org/ark:/67531/metadc2108033/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .