Columbia subject headings:
Harvard subject headings:
Archaeology--Congresses
Excavations (Archaeology)--Italy--Lazio.
Excavations (Archaeology)--Italy--Rome
Italy--Antiquities--Congresses.
Lazio (Italy)--Antiquities--Congresses.
Princeton subject headings:
Italy--Antiquities--Congresses.
Lazio (Italy)--Antiquities--Congresses.