The Caldwell Imprint (Amarillo, Tex.), No. 2, Ed. 1 Wednesday, November 6, 1907, newspaper, November 6, 1907; (https://texashistory.unt.edu/ark:/67531/metapth288995/m1/1/: accessed December 5, 2016), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .