Columbia subject headings:
Palaces--Conservation and restoration--Austria--Vienna.
Palais Metternich (Vienna, Austria)
Vienna (Austria)--Buildings, structures, etc.
Harvard subject headings:
Architecture, Domestic--Austria--Vienna.
Embassy buildings--Conservation and restoration--Austria--Vienna.
Palaces--Conservation and restoration--Austria--Vienna.
Palaces--Remodeling for other use--Austria--Vienna.
Palais Metternich (Vienna, Austria)
Vienna (Austria)--Buildings, structures, etc.
Princeton subject headings:
Embassy buildings--Conservation and restoration--Austria--Vienna.
Historic buildings--Conservation and restoration--Austria--Vienna.
Palaces--Conservation and restoration--Austria--Vienna.
Vienna (Austria)--Buildings, structures, etc.