United States. Bureau of the Census. 1990 Census County Block Map (Recreated): Kinney County, Inset A03, map, 1990; (https://texashistory.unt.edu/ark:/67531/metapth364269/m1/1/: accessed July 4, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .