Coahuila., map, 1885; (https://texashistory.unt.edu/ark:/67531/metapth231858/m1/1/: accessed May 16, 2025), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Coahuila., map, 1885; (https://texashistory.unt.edu/ark:/67531/metapth231858/m1/1/: accessed May 16, 2025), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .