Columbia subject headings:
Housing policy--Europe.
Housing policy--United States.
Housing subsidies--Europe.
Housing subsidies--United States.
Harvard subject headings:
Housing policy--Europe.
Housing policy--United States.
Housing subsidies--Europe.
Housing subsidies--United States.
Princeton subject headings:
Housing policy--Europe.
Housing policy--United States.
Housing subsidies--Europe.
Housing subsidies--United States.