The Democrat News (Sapulpa, Okla.), Vol. 64, No. 25, Ed. 1 Tuesday, April 17, 1973, newspaper, April 17, 1973; (https://gateway.okhistory.org/ark:/67531/metadc1531293/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .