The Rattler (San Antonio, Tex.), Vol. 56, No. 3, Ed. 1 Wednesday, October 13, 1971, newspaper, October 13, 1971; (https://texashistory.unt.edu/ark:/67531/metapth1522899/m1/1/: accessed July 11, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .