Columbia subject headings:
Maps.
New England--Census, 1990--Maps.
New York Region--Census, 1990--Maps.
United States--Census, 1990--Maps.
United States. Bureau of the Census--Maps.
Harvard subject headings:
Middle Atlantic States--Census, 1990--Maps.
New England--Census, 1990--Maps.
United States--Census, 1990--Maps.
United States. Bureau of the Census--Maps.
Princeton subject headings: