Slater, H. D. El Paso Herald (El Paso, Tex.), Ed. 1, Monday, January 29, 1917, newspaper, January 29, 1917; (https://texashistory.unt.edu/ark:/67531/metapth138547/m1/1/: accessed October 21, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .