Columbia subject headings:
Architecture, Medieval--Germany.
Architecture--Conservation and restoration--Germany.
Art, Medieval--Germany.
Art--Conservation and restoration--Germany.
Church decoration and ornament--Conservation and restoration--Germany.
Church decoration and ornament--Germany.
Hubel, Achim.
Harvard subject headings:
Architecture, Medieval--Germany
Architecture--Conservation and restoration--Germany.
Art, Medieval--Germany.
Art--Conservation and restoration--Germany.
Church decoration and ornament--Conservation and restoration--Germany.
Church decoration and ornament--Germany.
Princeton subject headings:
Architecture, Medieval--Germany.
Architecture--Conservation and restoration--Germany.
Art, Medieval--Germany.
Art--Conservation and restoration--Germany.