Columbia subject headings:
Lenin, Vladimir Ilʹich, 1870-1924.
Omskai︠a︡ oblastʹ (Russia)--History--Sources.
Harvard subject headings:
Lenin, Vladimir Ilʹich, 1870-1924
Omskai︠a︡ oblastʹ (Russia)--History--Sources.
Princeton subject headings:
Lenin, Vladimir Ilʹich, 1870-1924--Knowledge--Russia (Federation)--Omsk.
Omskai︠a︡ oblastʹ (Russia)--History--Sources.