General highway map Dallas County, Rockwall County, Texas, map, 1961; (https://texashistory.unt.edu/ark:/67531/metapth187691/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
General highway map Dallas County, Rockwall County, Texas, map, 1961; (https://texashistory.unt.edu/ark:/67531/metapth187691/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .