La Prensa (San Antonio, Tex.), Vol. 3, No. 393, Ed. 1 Tuesday, December 7, 1915, newspaper, December 7, 1915; (https://texashistory.unt.edu/ark:/67531/metapth1067216/m1/2/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .