Columbia subject headings:
Altarpieces, Medieval--Conservation and restoration--Congresses.
Church decoration and ornament--Conservation and restoration--Congresses.
Panel painting, Medieval--Conservation and restoration--Congresses.
Wood-carving, Medieval--Conservation and restoration--Congresses.
Harvard subject headings:
Altarpieces, Medieval--Conservation and restoration--Congresses.
Church decoration and ornament--Conservation and restoration--Congresses.
Panel painting, Medieval--Conservation and restoration--Congresses.
Wood-carving, Medieval--Conservation and restoration--Congresses.
Princeton subject headings:
Altarpieces, Medieval--Congresses.
Altarpieces--Conservation and restoration--Congresses.
Wood-carving, Medieval--Conservation and restoration--Congresses.