United States. Bureau of the Census. 2000 Census County Subdivison Block Map: Goldsmith-Penwell CCD, Texas, Block 3, map, 2000; (https://texashistory.unt.edu/ark:/67531/metapth418470/m1/1/: accessed May 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .