Texas Register, Volume 13, Number 32, Pages 1945-2001, April 22, 1988, periodical, April 22, 1988; (https://texashistory.unt.edu/ark:/67531/metapth220240/m1/3/: accessed July 11, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .