Slater, H. D. El Paso Herald (El Paso, Tex.), Ed. 1, Monday, August 25, 1913, newspaper, August 25, 1913; (https://texashistory.unt.edu/ark:/67531/metapth130848/m1/1/: accessed January 22, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .