Seminole Sentinel (Seminole, Tex.), Vol. 57, No. 39, Ed. 1 Thursday, August 13, 1964, newspaper, August 13, 1964; (https://texashistory.unt.edu/ark:/67531/metapth417338/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .