Panhandle Herald (Panhandle, Tex.), Vol. 77, No. 43, Ed. 1 Thursday, May 7, 1964, newspaper, May 7, 1964; (https://texashistory.unt.edu/ark:/67531/metapth883711/m1/1/: accessed June 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .