Columbia subject headings:
Architecture--Conservation and restoration--Germany.
Art, German.
Art--Conservation and restoration--Germany.
Cultural property--Protection--Germany.
Historic buildings--Germany.
Historic preservation--Germany.
Harvard subject headings:
Architecture--Conservation and restoration--Germany.
Art, German.
Art--Conservation and restoration--Germany.
Cultural property--Protection--Germany.
Historic buildings--Germany.
Historic preservation--Germany.
Princeton subject headings:
Cultural property--Germany.
Historic buildings--Germany.
Historic preservation--Germany.