Columbia subject headings:
Europe, Eastern--Antiquities.
Europe--Antiquities.
Indo-Europeans.
Neolithic period--Europe.
Prehistoric peoples--Europe, Eastern.
Harvard subject headings:
Antiquities, Prehistoric--Europe
Europe--Antiquities.
Europe--Civilization.
Indo-European antiquities.
Indo-Europeans--History.
Indo-Europeans--Social life and customs.
Prehistoric peoples--Europe
Princeton subject headings:
Europe, Eastern--Antiquities.
Europe--Antiquities.
Indo-Europeans.
Neolithic period--Europe.
Prehistoric peoples--Europe, Eastern.