Columbia subject headings:
Bronze age--Poland--Antiquities.
Iron age--Poland--Antiquities.
Projectile points--Poland--Classification.
Projectile points--Poland--Identification.
Harvard subject headings:
Bronze age--Poland--Antiquities.
Iron age--Poland--Antiquities.
Projectile points--Poland--Classification.
Projectile points--Poland--Identification.
Princeton subject headings:
Bronze age--Poland.
Iron age--Poland.
Lances--Poland.
Poland--Antiquities.
Projectile points--Poland--Classification.
Projectile points--Poland--Identification.