[Map of] Richardson, Dallas County, map, 1970; (https://texashistory.unt.edu/ark:/67531/metapth118292/m1/1/: accessed April 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Map of] Richardson, Dallas County, map, 1970; (https://texashistory.unt.edu/ark:/67531/metapth118292/m1/1/: accessed April 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .