La Prensa (San Antonio, Tex.), Vol. 4, No. 517, Ed. 1 Tuesday, April 11, 1916, newspaper, April 11, 1916; (https://texashistory.unt.edu/ark:/67531/metapth1066974/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .