Věstník (West, Tex.), Vol. 52, No. 1, Ed. 1 Wednesday, January 1, 1964, newspaper, January 1, 1964; (https://texashistory.unt.edu/ark:/67531/metapth626144/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .