Columbia subject headings:
Commerce, Prehistoric--Poland--Kujawy.
Kujawy (Poland)--Antiquities.
Neolithic period--Poland--Kujawy.
Prehistoric peoples--Poland--Kujawy.
Harvard subject headings:
Commerce, Prehistoric--Poland--Kujawy.
Europe, Eastern--Antiquities--Congresses.
Excavations (Archaeology)--Poland--Kujawy--Congresses.
Kujawy (Poland)--Antiquities--Congresses.
Kujawy (Poland)--Antiquities.
Kujawy (Poland)--Commerce--Europe, Eastern--Congresses.
Neolithic period--Poland--Kujawy--Congresses.
Neolithic period--Poland--Kujawy.
Prehistoric peoples--Poland--Kujawy--Congresses.
Prehistoric peoples--Poland--Kujawy.
Princeton subject headings: