Texas Register, Volume 13, Number 50, Pages 3252-3304, June 28, 1988, periodical, June 28, 1988; (https://texashistory.unt.edu/ark:/67531/metapth220258/m1/4/: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .