Slater, H. D. El Paso Herald (El Paso, Tex.), Ed. 1, Friday, September 24, 1920, newspaper, September 24, 1920; (https://texashistory.unt.edu/ark:/67531/metapth139049/m1/10/: accessed November 16, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .