Columbia subject headings:
Alps Region--Antiquities, Roman--Congresses.
La Tène period--Alps Region--Congresses.
Harvard subject headings:
Alps Region--Antiquities, Roman--Congresses.
La Tène period--Alps Region--Congresses.
Princeton subject headings:
Alps Region--Antiquities, Roman--Congresses.
La Tène period--Alps Region--Congresses.