El Imparcial (Mexico City, Mexico), Vol. 31, No. 6430, Ed. 1 Thursday, November 9, 1911, newspaper, November 9, 1911; (https://texashistory.unt.edu/ark:/67531/metapth1146173/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .