[Booklet to accompany Clason's Guide Map of Texas], Book, ca. 1910 - 1919; digital images, (http://texashistory.unt.edu/ark:/67531/metapth25270/ : accessed May 16, 2012), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting Denton Public Library, Denton, Alabama.
