Carte géographique, statistique et historique du Missouri., map, 1821; (https://texashistory.unt.edu/ark:/67531/metapth187553/m1/1/: accessed May 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Carte géographique, statistique et historique du Missouri., map, 1821; (https://texashistory.unt.edu/ark:/67531/metapth187553/m1/1/: accessed May 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .