Message of Governor T.M. Campbell to the thirtieth legislature of Texas, to which is appended the State Democratic Platform adopted at Dallas, Texas, August 13, 1906., book, January 16, 1907; (https://texashistory.unt.edu/ark:/67531/metapth5859/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .