Medina Valley and County News Bulletin (Castroville, Tex.), Vol. 7, No. 35, Ed. 1 Wednesday, December 21, 1966, newspaper, December 21, 1966; (https://texashistory.unt.edu/ark:/67531/metapth1593740/m1/19/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .