Columbia subject headings:
Architecture--Conservation and restoration--New England.
Historic sites--Conservation and restoration--New England.
Landscape architecture--Conservation and restoration--New England.
Harvard subject headings:
Architecture--New England--Conservation and restoration.
Historic sites--Conservation and restoration--New England.
Landscape architecture--New England--Conservation and restoration.
Princeton subject headings:
Architecture--New England--Conservation and restoration.
Historic sites--New England--Conservation and restoration.
Landscape architecture--New England--Conservation and restoration.