Columbia subject headings:
Marketplaces--Conservation and restoration--Italy--Rome--Congresses.
Mercati Traianei (Rome, Italy)--Congresses.
Rome (Italy)--Antiquities--Congresses.
Rome (Italy)--Buildings, structures, etc.--Congresses.
Harvard subject headings:
Marketplaces--Conservation and restoration--Italy--Rome--Congresses.
Mercati Traianei (Rome, Italy)--Congresses.
Rome (Italy)--Antiquities, Roman--Congresses.
Rome (Italy)--Buildings, structures, etc.
Princeton subject headings:
Forum of Trajan (Rome, Italy)--Conservation and restoration.
Marketplaces--Conservation and restoration--Italy--Rome.