Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 53, No. 260, Ed. 1 Sunday, July 14, 1968, newspaper, July 14, 1968; (https://gateway.okhistory.org/ark:/67531/metadc1490579/m1/1/: accessed April 16, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .