United States of America corrected & improved from the best authorities.
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United States of America corrected & improved from the best authorities., map, 1820; Philadelphia. (texashistory.unt.edu/ark:/67531/metapth192540/: accessed April 21, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; crediting University of Texas at Arlington Library.