Columbia subject headings:
Architecture--Conservation and restoration--Scotland.
Historic buildings--Conservation and restoration--Scotland.
Historic sites--Conservation and restoration--Scotland.
National Trust for Scotland--History.
Nature conservation--Scotland.
Scotland--Antiquities.
Harvard subject headings:
Architecture--Scotland--Conservation and restoration.
Historic buildings--Conservation and restoration--Scotland.
Historic sites--Conservation and restoration--Scotland.
National Trust for Scotland--History.
Nature conservation--Scotland.
Scotland--Antiquities.
Princeton subject headings: