San Antonio Register (San Antonio, Tex.), Vol. 43, No. 18, Ed. 1 Friday, October 19, 1973, newspaper, October 19, 1973; (https://texashistory.unt.edu/ark:/67531/metapth1051571/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .