Pope, Joe L. Amarillo Daily News (Amarillo, Tex.), Vol. 11, No. 366, Ed. 1 Tuesday, January 4, 1921, newspaper, January 4, 1921; (https://texashistory.unt.edu/ark:/67531/metapth318742/m1/1/: accessed December 10, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .