Slater, H. D. El Paso Herald (El Paso, Tex.), Ed. 1, Monday, December 9, 1918, newspaper, December 9, 1918; (https://texashistory.unt.edu/ark:/67531/metapth143685/m1/3/: accessed March 29, 2020), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .