Columbia subject headings:
Europe, Central--Antiquities--Congresses.
Iron age--Europe, Central--Congresses.
Harvard subject headings:
Europe, Central--Antiquities--Congresses.
Iron age--Europe, Central--Congresses.
Prehistoric peoples--Europe, Central--Congresses.
Princeton subject headings:
Europe, Central--Antiquities--Congresses.
Iron age--Europe, Central--Congresses.