The Billings News (Billings, Okla.), Vol. 71, No. 8, Ed. 1 Wednesday, January 31, 1968, newspaper, January 31, 1968; (https://gateway.okhistory.org/ark:/67531/metadc2249624/m1/1/: accessed June 29, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .