Title: The Petrograd workers and the fall of the old regime
Subjects: History, Labor and laboring classes, Leningrad, Political activity, Politics and government, Russian S.F.S.R., Strikes and lockouts, Working class, Labor movement
Places: Leningrad, Leningrad (R.S.F.S.R.), Russia (Federation), Russian S.F.S.R., Saint Petersburg, Saint Petersburg (Russia), Soviet Union
Time periods: 1917-1921, 20th century, Revolution, 1917-1921