Columbia subject headings:
Excavations (Archaeology)--Russia (Federation)--Kostromskai︠a︡ oblastʹ.
Kostromskai︠a︡ oblastʹ (Russia)--Antiquities.
Harvard subject headings:
Excavations (Archaeology)--Russia (Federation)--Kostromskai︠a︡ oblastʹ.
Kostromskai︠a︡ oblastʹ (Russia)--Antiquities.
Princeton subject headings:
Excavations (Archaeology)--Russia (Federation)--Kostromskai︠a︡ oblastʹ.
Kostromskai︠a︡ oblastʹ (Russia)--Antiquities.