Columbia subject headings:
Europe--Antiquities.
Europe--History--To 476.
Harvard subject headings:
Antiquities, Prehistoric--Europe--Congresses.
Europe--Antiquities--Congresses.
Excavations (Archaeology)--Europe--Congresses
Mesolithic period--Europe--Congresses.
Neolithic period--Europe--Congresses.
Princeton subject headings:
Antiquities, Prehistoric--Europe.
Europe--Antiquities.
Mesolithic period--Europe.
Neolithic period--Europe.