The Rattler (San Antonio, Tex.), Vol. 40, No. 13, Ed. 1 Friday, April 18, 1958, newspaper, April 18, 1958; (https://texashistory.unt.edu/ark:/67531/metapth842203/m1/1/: accessed May 15, 2025), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .