General and Special Laws of The State of Texas Passed By The Second Called Session of the Sixty-Eighth Legislature and the Regular Session of the Sixty-Ninth Legislature, legislative document, 1985; (https://texashistory.unt.edu/ark:/67531/metapth221803/m1/1/: accessed May 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .