El Regidor (San Antonio, Tex.), Vol. 20, No. 905, Ed. 1 Thursday, May 2, 1907, newspaper, May 2, 1907; (https://texashistory.unt.edu/ark:/67531/metapth1077716/m1/1/: accessed July 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .