The Daily Express. (San Antonio, Tex.), Vol. 41, No. 351, Ed. 1 Monday, December 17, 1906, newspaper, December 17, 1906; (https://texashistory.unt.edu/ark:/67531/metapth441066/m1/1/: accessed May 22, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .