The Bandera Bulletin (Bandera, Tex.), Vol. 23, No. 42, Ed. 1 Friday, March 29, 1968, newspaper, March 29, 1968; (https://texashistory.unt.edu/ark:/67531/metapth711504/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .