Hanschke, Robert. Freie Presse für Texas. (San Antonio, Tex.), Vol. 15, No. 3149, Ed. 1 Friday, April 16, 1880, newspaper, April 16, 1880; (https://texashistory.unt.edu/ark:/67531/metapth1079345/m1/1/: accessed May 27, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .