Columbia subject headings:
Historic sites--Conservation and restoration--Great Britain.
National Trust (Great Britain)--History.
Harvard subject headings:
Great Britain--Antiquities--Collection and preservation--History.
Historic buildings--Conservation and restoration--Great Britain--History.
Historic sites--Conservation and restoration--Great Britain--History.
National Trust (Great Britain)--History.
Nature conservation--Great Britain--History.
Princeton subject headings:
Historic sites--Great Britain--Conservation and restoration.
National Trust (Great Britain)--History.