Blackwell Journal-Tribune (Blackwell, Okla.), Vol. 63, No. 98, Ed. 1 Monday, April 15, 1957, newspaper, April 15, 1957; (https://gateway.okhistory.org/ark:/67531/metadc2115456/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .