La Prensa (San Antonio, Tex.), Vol. 7, No. 2,126, Ed. 1 Tuesday, February 1, 1921, newspaper, February 1, 1921; (https://texashistory.unt.edu/ark:/67531/metapth1069690/m1/1/: accessed June 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .