Columbia subject headings:
Harvard subject headings:
Kostromskai︠a︡ oblastʹ (Russia)--History--Bibliography--Periodicals.
Kostromskai︠a︡ oblastʹ (Russia)--History--Periodicals.
Princeton subject headings:
Kostromskai︠a︡ oblastʹ (Russia)--History--Bibliography--Periodicals.
Kostromskai︠a︡ oblastʹ (Russia)--History--Periodicals.