Columbia subject headings:
Lenin, Vladimir Ilʹich, 1870-1924--Friends and associates.
Marksistskiĭ kruzhok, Samara (R.S.F.S.R.)--History.
Samara (Russia)--Biography.
Harvard subject headings:
Lenin, Vladimir Ilʹich, 1870-1924--Friends and associates.
Marksistskiĭ kruzhok, Samara, Russia--History.
Samara (Russia)--Biography.
Princeton subject headings:
Lenin, Vladimir Ilʹich, 1870-1924--Friends and associates.
Marksistskiĭ kruzhok, Samara, Russia--History.
Samara (Russia)--Biography.