The Collar (Altus, Okla.), Vol. 23, No. 27, Ed. 1 Tuesday, May 9, 1972, newspaper, May 9, 1972; (https://gateway.okhistory.org/ark:/67531/metadc2179633/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .