The Sunday Morning Herald. (Amarillo, Tex.), Vol. 22, No. 17, Ed. 1 Sunday, May 22, 1910, newspaper, May 22, 1910; (https://texashistory.unt.edu/ark:/67531/metapth289001/m1/1/: accessed March 26, 2017), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .