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