Columbia subject headings:
Irkutskai︠a︡ oblastʹ (Russia)--Bibliography.
Lenin, Vladimir Ilʹich, 1870-1924--Bibliography.
Harvard subject headings:
Irkutskai︠a︡ oblastʹ (Russia)--History--Bibliography.
Lenin, Vladimir Ilʹich, 1870-1924--Bibliography.
Princeton subject headings: