Columbia subject headings:
Housing--United States--Finance--Statistics.
Mortgage loans--United States--Statistics.
United States--Census, 1990.
Harvard subject headings:
Housing--United States--Finance--Statistics.
Mortgage loans--United States--Statistics.
United States--Census, 1990.
Princeton subject headings:
Housing--United States--Finance--Statistics.
Mortgage loans--United States--Statistics.
Statistics.
United States--Census, 1990.