Columbia subject headings:
Axes, Prehistoric--Poland.
Axes--Poland.
Bronze age--Poland.
Copper age--Poland.
Poland--Antiquities.
Prehistoric peoples--Poland.
Tools, Prehistoric.
Harvard subject headings:
Axes, Prehistoric--Poland.
Axes--Poland.
Bronze age--Poland
Copper age--Poland.
Poland--Antiquities
Prehistoric peoples--Poland
Tools, Prehistoric--Poland.
Princeton subject headings: