La Prensa (San Antonio, Tex.), Vol. 6, No. 1665, Ed. 1 Sunday, August 31, 1919, newspaper, August 31, 1919; (https://texashistory.unt.edu/ark:/67531/metapth1068204/m1/4/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .