Medina Valley and County News Bulletin (Castroville, Tex.), Vol. 15, No. 51, Ed. 1 Wednesday, April 3, 1974, newspaper, April 3, 1974; (https://texashistory.unt.edu/ark:/67531/metapth1599430/m1/1/: accessed June 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .