The Rattler (San Antonio, Tex.), Vol. 54, No. 1, Ed. 1 Tuesday, September 16, 1969, newspaper, September 16, 1969; (https://texashistory.unt.edu/ark:/67531/metapth1137339/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .