Texas Register, Volume 2, Number 35, Pages 1655-1734, May 3, 1977, periodical, May 3, 1977; (https://texashistory.unt.edu/ark:/67531/metapth252949/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .