Columbia subject headings:
Europe--Antiquities.
Excavations (Archaeology)--Europe.
Megalithic monuments--Europe.
Religion, Prehistoric--Europe.
Harvard subject headings:
Europe--Antiquities.
Indo-Europeans--Religion.
Megalithic monuments--Europe
Religion, Prehistoric--Europe.
Princeton subject headings:
Europe--Antiquities.
Indo-Europeans--Religion.
Megalithic monuments--Europe.
Religion, Prehistoric--Europe.