The Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 56, No. 187, Ed. 1 Monday, April 6, 1970, newspaper, April 6, 1970; (https://gateway.okhistory.org/ark:/67531/metadc1490632/m1/1/: accessed April 20, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .