Columbia subject headings:
Country homes--Conservation and restoration--Great Britain.
Historic buildings--Conservation and restoration--Economic aspects--Great Britain.
Manors--Conservation and restoration--Great Britain.
Harvard subject headings:
Country homes--Economic aspects--Great Britain.
Historic buildings--Conservation and restoration--Great Britain.
Historic buildings--Economic aspects--Great Britain.
National Trust (Great Britain)
Princeton subject headings:
Historic buildings--Conservation and restoration--Economic aspects--Great Britain.
Historic buildings--Great Britain--Conservation and restoration.