Columbia subject headings:
Revolutionaries--Soviet Union--History.
Socialism and youth--Soviet Union--History.
Soviet Union--History--Revolution, 1917-1921.
Youth--Political activity--Soviet Union--History.
Harvard subject headings:
Revolutionaries--Soviet Union--History.
Socialism and youth--Soviet Union--History.
Soviet Union--History--Revolution, 1917-1921--Participation, Juvenile.
Soviet Union--History--Revolution, 1917-1921.
Youth--Political activity--Soviet Union--History.
Princeton subject headings:
Revolutionaries--Soviet Union--History.
Socialism and youth--Soviet Union--History.
Soviet Union--History--Revolution, 1917-1921.
Youth--Soviet Union--Political activity--History.