The Twice-a-Week Herald. (Amarillo, Tex.), Vol. 21, No. 70, Ed. 1 Friday, August 31, 1906, newspaper, August 31, 1906; (https://texashistory.unt.edu/ark:/67531/metapth281583/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .