Columbia subject headings:
Older people--Care--United States.
Older people--Housing--United States.
Older people--United States.
Harvard subject headings:
Older people--Care--United States.
Older people--Housing--United States.
Older people--United States.
Princeton subject headings:
Older people--Care--United States.
Older people--Housing--United States.
Older people--United States.