San Antonio Register (San Antonio, Tex.), Vol. 49, No. 6, Ed. 1 Thursday, May 8, 1980, newspaper, May 8, 1980; (https://texashistory.unt.edu/ark:/67531/metapth1060202/m1/1/: accessed July 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .