The Rattler (San Antonio, Tex.), Vol. 57, No. 8, Ed. 1 Thursday, January 25, 1973, newspaper, January 25, 1973; (https://texashistory.unt.edu/ark:/67531/metapth1287189/m1/1/: accessed May 13, 2025), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .