Texas. Legislature. House of Representatives. 78th Texas Legislature, Regular Session, House Bill 469, Chapter 435, legislative document, June 20, 2003; (https://texashistory.unt.edu/ark:/67531/metapth158714/m1/1/: accessed March 29, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .

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