San Antonio Register (San Antonio, Tex.), Vol. 33, No. 6, Ed. 1 Friday, April 12, 1963, newspaper, April 12, 1963; (https://texashistory.unt.edu/ark:/67531/metapth403923/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .