Columbia subject headings:
Historic buildings--Conservation and restoration--United States--Bibliography.
Historic preservation--United States--Bibliography.
Historic sites--Conservation and restoration--United States--Bibliography.
Harvard subject headings:
Historic buildings--Conservation and restoration--United States--Bibliography.
Historic sites--Conservation and restoration--United States--Bibliography.
Princeton subject headings:
Historic buildings--Conservation and restoration--United States--Bibliography.
Historic preservation--United States--Bibliography.
Historic sites--Conservation and restoration--United States--Bibliography.