Collin County Genealogical Society. Collin Chronicles, Volume 20, Number 4, 1999/2000, periodical, 2000; (https://texashistory.unt.edu/ark:/67531/metapth10760/m1/1/: accessed June 25, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .