Val Verde County Herald and Del Rio Record-News (Del Rio, Tex.), Vol. 19, No. 36, Ed. 1 Friday, December 21, 1906, newspaper, December 21, 1906; (https://texashistory.unt.edu/ark:/67531/metapth1112732/m1/1/: accessed May 22, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .