Columbia subject headings:
Harvard subject headings:
Government publications.
Housing--United States--Statistical methods--Handbooks, manuals, etc.
United States--Census, 1990--Handbooks, manuals, etc.
United States--Census, 1990--Methodology.
United States--Population--Statistical methods--Handbooks, manuals, etc.
Princeton subject headings:
Housing--United States--Statistics.
Statistics.
United States--Census, 21st, 1990--Methodology.
United States--Population--Statistics.