Columbia subject headings:
Divination--Greece--Congresses.
Greece--Religious life and customs--Congresses.
Oracles, Greek--Congresses.
Harvard subject headings:
Divination--Greece--Congresses.
Divination--Greece.
Greece--Religious life and customs--Congresses.
Greece--Religious life and customs.
Oracles, Greek--Congresses.
Oracles, Greek.
Princeton subject headings:
Divination--History--To 1500--Congresses.