Columbia subject headings:
Dwellings--Barrier-free design--United States.
Dwellings--Remodeling--United States.
Harvard subject headings:
Dwellings--Barrier-free design--United States
Dwellings--Remodeling--United States
Princeton subject headings:
Dwellings--Barrier-free design--United States.
Dwellings--Remodeling--United States.