Columbia subject headings:
Andreev, Nikolaĭ Andreevich, 1873-1932.
Lenin, Vladimir Ilʹich, 1870-1924--Portraits.
Harvard subject headings:
Andreev, Nikolaĭ Andreevich, 1873-1932.
Lenin, Vladimir Ilʹich, 1870-1924--Portraits.
Princeton subject headings: