The Graham Leader (Graham, Tex.), Vol. 88, No. 35, Ed. 1 Thursday, April 9, 1964, newspaper, April 9, 1964; (https://texashistory.unt.edu/ark:/67531/metapth886376/m1/3/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .