Columbia subject headings:
Harvard subject headings:
Labor movement--Soviet Union.
Soviet Union--History--Revolution, 1917-1921
Soviet Union--History--Revolution, 1917-1921--Protest movements
Soviet Union--Politics and government--1917-1936
Strikes and lockouts--Russia--History--20th century.
Working class--Political activity--Russia--History--20th century.
Princeton subject headings:
Protest movements--Soviet Union--History.
Soviet Union--History--Revolution, 1917-1921--Protest movements.
Soviet Union--Politics and government--1917-1936.
Working class--Political activity--Soviet Union--History--20th century.