Medina Valley and County News Bulletin (Castroville, Tex.), Vol. 5, No. 26, Ed. 1 Wednesday, October 21, 1964, newspaper, October 21, 1964; (https://texashistory.unt.edu/ark:/67531/metapth1593627/m1/1/: accessed June 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .