Dallas Historical Society. Legacies: A History Journal for Dallas and North Central Texas, Volume 11, Number 1, Spring, 1999, periodical, 1999; (https://texashistory.unt.edu/ark:/67531/metapth35102/m1/28/: accessed December 4, 2020), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .