The Daily Express. (San Antonio, Tex.), Vol. 42, No. 118, Ed. 1 Sunday, April 28, 1907, newspaper, April 28, 1907; (https://texashistory.unt.edu/ark:/67531/metapth442459/m1/17/: accessed December 13, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .