Gammel's Rules of the Courts of Texas
Moffett, James William. Gammel's Rules of the Courts of Texas, Book, 1922; digital images, (http://texashistory.unt.edu/ark:/67531/metapth5836 : accessed March 20, 2010), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting UNT Libraries, Denton, Texas.