Medina Valley and County News Bulletin (Castroville, Tex.), Vol. 4, No. 4, Ed. 1 Wednesday, May 22, 1963, newspaper, May 22, 1963; (https://texashistory.unt.edu/ark:/67531/metapth1593553/m1/1/: accessed July 14, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .