Columbia subject headings:
Cultural property--Protection--United States.
Historic buildings--Conservation and restoration--United States--Planning.
Historic sites--Conservation and restoration--United States--Planning.
Harvard subject headings:
Cultural property--Protection--United States
Historic buildings--Conservation and restoration--United States--Planning.
Historic buildings--United States--Conservation and restoration--Planning.
Historic sites--Conservation and restoration--United States--Planning.
Historic sites--United States--Conservation and restoration--Planning.
Princeton subject headings:
Cultural property--Protection--United States.
Historic buildings--United States--Conservation and restoration--Planning.
Historic sites--United States--Conservation and restoration--Planning.