Collin County Genealogical Society. Collin Chronicles, Volume 21, Number 2, 2000/2001, periodical, 2001; (https://texashistory.unt.edu/ark:/67531/metapth10758/m1/1/: accessed February 20, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .