Texas. Legislature. House of Representatives. 84th Texas Legislature, Regular Session, House Bill 10, Chapter 332, legislative document, June 9, 2015; (https://texashistory.unt.edu/ark:/67531/metapth705111/m1/1/: accessed April 19, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .