Columbia subject headings:
Austria--Antiquities, Roman--Congresses.
Greece--Antiquities--Congresses.
Rome--Antiquities--Congresses.
Harvard subject headings:
Archaeology--Europe--Congresses.
Europe--Antiquities--Collection and preservation--Congresses.
Europe--Antiquities--Congresses.
Excavations (Archaeology)--Europe--Congresses
Excavations (Archaeology)--Europe--Methodology--Congresses.
Historic preservation--Europe--Congresses.
Princeton subject headings: