Medina Valley and County News Bulletin (Castroville, Tex.), Vol. 5, No. 6, Ed. 1 Wednesday, June 3, 1964, newspaper, June 3, 1964; (https://texashistory.unt.edu/ark:/67531/metapth1593607/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .