[Collin County], map, May 29, 1850; (https://texashistory.unt.edu/ark:/67531/metapth89112/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Collin County], map, May 29, 1850; (https://texashistory.unt.edu/ark:/67531/metapth89112/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .