La Prensa (San Antonio, Tex.), Vol. 8, No. 2144, Ed. 1 Sunday, February 20, 1921, newspaper, February 20, 1921; (https://texashistory.unt.edu/ark:/67531/metapth1068494/m1/4/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .