Medina Valley and County News Bulletin (Castroville, Tex.), Vol. 15, No. 45, Ed. 1 Wednesday, February 20, 1974, newspaper, February 20, 1974; (https://texashistory.unt.edu/ark:/67531/metapth1599424/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .