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