Texas. Legislature. House of Representatives. 82nd Texas Legislature, Regular Session, House Bill 3167, Chapter 565, Legislative Document, May 2011-June 2011; (http://texashistory.unt.edu/ark:/67531/metapth311456/ : accessed November 27, 2015), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting UNT Libraries Government Documents Department, Denton, Texas.
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