Sapulpa Herald (Sapulpa, Okla.), Vol. 25, No. 245, Ed. 1 Tuesday, June 18, 1940, newspaper, June 18, 1940; (https://gateway.okhistory.org/ark:/67531/metadc1527889/m1/6/: accessed April 18, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .