Columbia subject headings:
City planning--United States.
Older people--Dwellings--United States--Planning.
Older people--Housing--United States--Planning.
Older people--Transportation--United States--Planning.
Harvard subject headings:
City planning--United States
Older people--Dwellings--United States--Planning.
Older people--Housing--United States--Planning.
Older people--Transportation--United States--Planning.
Princeton subject headings:
Aging.
Older people--Dwellings.
Older people.