United States. Bureau of the Census. 1990 Census County Block Map (Recreated): Galveston County, Block 27, map, 1990; (https://texashistory.unt.edu/ark:/67531/metapth358256/m1/1/: accessed December 17, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .