Columbia subject headings:
Peasant uprisings--Soviet Union.
Revolutions--Soviet Union.
Social conflict--Soviet Union.
Soviet Union--History.
Working class--Soviet Union.
Harvard subject headings:
Labor movement--Soviet Union.
Peasant uprisings--Russia.
Peasant uprisings--Soviet Union.
Revolutions--Soviet Union.
Social conflict--Soviet Union.
Social conflict.
Soviet Union--History.
Working class--Soviet Union
Princeton subject headings:
Revolutions--Soviet Union.
Social conflict.
Soviet Union--History.