The Sunday Morning Herald. (Amarillo, Tex.), Vol. 22, No. 13, Ed. 1 Sunday, April 24, 1910, newspaper, April 24, 1910; (https://texashistory.unt.edu/ark:/67531/metapth288999/m1/4/: accessed August 23, 2017), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .