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