Texas Register, Volume 38, Number 20, Pages 2921-3214, May 17, 2013, periodical, May 17, 2013; (https://texashistory.unt.edu/ark:/67531/metapth313173/m1/1/: accessed May 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .