Columbia subject headings:
Prussia (Germany)--Antiquities.
Harvard subject headings:
Excavations (Archaeology)--Prussia, East (Poland and Russia)
Excavations (Archaeology)--Russia (Federation)--Kaliningradskai︠a︡ oblastʹ.
Kaliningradskai︠a︡ oblastʹ (Russia)--Antiquities.
Prussia, East (Poland and Russia)--Antiquities.
Princeton subject headings:
Excavations (Archaeology)--Russia (Federation)--Kaliningradskai︠a︡ oblastʹ.
Kaliningradskai︠a︡ oblastʹ (Russia)--Antiquities.
Prussia (Germany)--Antiquities.
Prussians--Russia (Federation)--Kaliningradskai︠a︡ oblastʹ--Antiquities.