San Antonio Register (San Antonio, Tex.), Vol. 28, No. 9, Ed. 1 Friday, April 25, 1958, newspaper, April 25, 1958; (https://texashistory.unt.edu/ark:/67531/metapth399527/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .