Columbia subject headings:
Harvard subject headings:
Lenin, Vladimir Ilʹich, 1870-1924--Chronology.
Lenin, Vladimir Ilʹich, 1870-1924--Views on Siberia.
Siberia (Russia)--History
Princeton subject headings:
Lenin, Vladimir Ilʹich, 1870-1924--Chronology.
Siberia (Russia)--History.