Columbia subject headings:
Harvard subject headings:
United States--Census, 2000
United States--Census--History.
United States--Statistical services--History.
Princeton subject headings:
Census of population and housing (2000)--History.
Statistics.
United States--Census, 2000--History.
United States--Census, 2000--Methodology.
United States--Housing--Statistics--History.
United States--Population--Statistics--History.