Gammel, Hans Peter Mareus Neilsen. The Laws of Texas, 1934-1935 [Volume 29], Book, 1935; digital images, (http://texashistory.unt.edu/ark:/67531/metapth17292/ : accessed May 22, 2013), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting UNT Libraries, Denton, Texas.
