Texas. Legislature. House of Representatives. 78th Texas Legislature, Regular Session, House Bill 1065, Chapter 78, legislative document, May 19, 2003; (https://texashistory.unt.edu/ark:/67531/metapth158064/m1/1/: accessed October 15, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .