Columbia subject headings:
Harvard subject headings:
Daggers--History--To 1500.
Excavations (Archaeology)--Prussia, East (Poland and Russia)
Prussia, East (Poland and Russia)--Civilization.
Prussia, East (Poland and Russia)--History.
Princeton subject headings:
Daggers--History--To 1500.
Excavations (Archaeology)--Prussia, East (Poland and Russia).
Prussia, East (Poland and Russia)--Civilization.
Prussia, East (Poland and Russia)--History.