Medina Valley and County News Bulletin (Castroville, Tex.), Vol. 11, No. 15, Ed. 1 Wednesday, July 29, 1970, newspaper, July 29, 1970; (https://texashistory.unt.edu/ark:/67531/metapth1599239/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .