The Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 49, No. 198, Ed. 1 Monday, April 20, 1964, newspaper, April 20, 1964; (https://gateway.okhistory.org/ark:/67531/metadc1493491/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .