Columbia subject headings:
Harvard subject headings:
Europe--Antiquities--Congresses.
Excavations (Archaeology)--Europe--Congresses
Great Britain--Antiquities--Congresses.
Neolithic period--Europe--Congresses.
Neolithic period--Great Britain--Congresses.
Stone implements--Europe--Congresses.
Tools, Prehistoric--Europe--Congresses.
Princeton subject headings:
Great Britain--Antiquities.
Neolithic period--Great Britain.
Stone implements--Great Britain.
Tools, Prehistoric--Great Britain.