Columbia subject headings:
Europe--Antiquities.
Excavations (Archaeology)--Europe.
Neolithic period--Europe.
Timber circles--Europe.
Harvard subject headings:
Europe--Antiquities
Excavations (Archaeology)--Europe
Neolithic period--Europe
Timber circles--Europe.
Princeton subject headings:
Europe--Antiquities.
Excavations (Archaeology)--Europe.
Neolithic period--Europe.
Timber circles--Europe.