Columbia subject headings:
Archaeology--Research--Congresses.
Architecture--Conservation and restoration--Congresses.
Art--Conservation and restoration--Congresses.
Art--Reproduction--Congresses.
Sculpture--Conservation and restoration--Congresses.
Sculpture--Reproduction--Congresses.
Harvard subject headings:
Architecture, Classical--Congresses.
Classical antiquities--Congresses.
Sculpture, Classical--Congresses.
Princeton subject headings:
Archaeology--Research--Congresses.
Architecture--Conservation and restoration--Congresses.
Art--Conservation and restoration--Congresses.
Art--Reproduction--Congresses.
Sculpture--Conservation and restoration--Congresses.
Sculpture--Reproduction--Congresses.