El Regidor (San Antonio, Tex.), Vol. 27, No. 1310, Ed. 1 Wednesday, April 28, 1915, newspaper, April 28, 1915; (https://texashistory.unt.edu/ark:/67531/metapth1077304/m1/4/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .