Panhandle Herald (Panhandle, Tex.), Vol. 77, No. 50, Ed. 1 Thursday, June 25, 1964, newspaper, June 25, 1964; (https://texashistory.unt.edu/ark:/67531/metapth883836/m1/7/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .