Slater, H. D. El Paso Herald (El Paso, Tex.), Ed. 1, Monday, January 10, 1921, newspaper, January 10, 1921; (https://texashistory.unt.edu/ark:/67531/metapth143848/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .