Columbia subject headings:
Harvard subject headings:
Agriculture, Prehistoric--Baltic Sea Region--Congresses.
Baltic Sea Region--Antiquities--Congresses.
Europe--Antiquities--Congresses.
Excavations (Archaeology)--Baltic Sea Region--Congresses.
Neolithic period--Baltic Sea Region--Congresses.
Princeton subject headings:
Baltic Sea Region--Antiquities.
Excavations (Archaeology)--Baltic Sea Region.
Hunting and gathering societies--Baltic Sea Region.
Stone age--Baltic Sea Region.