Texas State Historical Association. The Southwestern Historical Quarterly, Volume 91, July 1987 - April, 1988, periodical, 1987/1988; (https://texashistory.unt.edu/ark:/67531/metapth101211/m1/644/: accessed December 12, 2017), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .