Texas. Legislature. House of Representatives. Journal of the House of Representatives of the Regular Session of the Forty-Fifth Legislature of the State of Texas, Volume 1, legislative document, 1937; (https://texashistory.unt.edu/ark:/67531/metapth145966/m1/756/: accessed September 19, 2017), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .