Pérou et Brésil., map, 1809; (https://texashistory.unt.edu/ark:/67531/metapth192603/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Pérou et Brésil., map, 1809; (https://texashistory.unt.edu/ark:/67531/metapth192603/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .