Slater, H. D. El Paso Herald (El Paso, Tex.), Ed. 1, Monday, August 13, 1917, newspaper, August 13, 1917; (https://texashistory.unt.edu/ark:/67531/metapth139129/m1/2/: accessed April 24, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .