Huth, Ludwig. [Letter from Ludwig Huth to Ferdinand Louis Huth, September 15, 1843], letter, September 15, 1843; (https://texashistory.unt.edu/ark:/67531/metapth188930/m1/1/: accessed October 21, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .