Věstník (West, Tex.), Vol. 52, No. 30, Ed. 1 Wednesday, July 29, 1964, newspaper, July 29, 1964; (https://texashistory.unt.edu/ark:/67531/metapth625434/m1/1/: accessed June 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .