Greer, Hilton R. Amarillo Daily News (Amarillo, Tex.), Vol. 4, No. 43, Ed. 1 Tuesday, December 23, 1913, newspaper, December 23, 1913; (https://texashistory.unt.edu/ark:/67531/metapth298116/m1/1/: accessed July 26, 2016), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .