Robertson, Orrin. The Democrat. (McKinney, Tex.), Vol. 1, No. 7, Ed. 1 Thursday, March 20, 1884, newspaper, March 20, 1884; (https://texashistory.unt.edu/ark:/67531/metapth191385/m1/1/: accessed April 26, 2017), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .