Columbia subject headings:
Historic buildings--Conservation and restoration--England--London--Exhibitions.
Historic sites--Conservation and restoration--England--London--Exhibitions.
London (England)--Buildings, structures, etc.--History--Exhibitions.
Survey of London--History--Exhibitions.
Harvard subject headings:
Historic buildings--Conservation and restoration--England--London.
Historic sites--Conservation and restoration--England--London--Exhibitions.
London (England)--Buildings, structures, etc.--History--Exhibitions.
Survey of London--History--Exhibitions.
Princeton subject headings:
Architecture--England--London--Exhibitions.
London (England)--Buildings, structures, etc.--Exhibitions.