Greer, Hilton R. Amarillo Daily News (Amarillo, Tex.), Vol. 4, No. 208, Ed. 1 Thursday, July 3, 1913, newspaper, July 3, 1913; (https://texashistory.unt.edu/ark:/67531/metapth298055/m1/1/: accessed October 18, 2017), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .