Columbia subject headings:
Older people--Dwellings--New York (State)
Older people--Dwellings--United States.
Shared housing--New York (State)
Shared housing--United States.
Harvard subject headings:
Older people--Dwellings--United States.
Older people--New York (State)--Dwellings.
Shared housing--New York (State)
Shared housing--United States.
Princeton subject headings: