Title: Undercover agents in the Russian revolutionary jmovement
Subjects: History, Police, Political activity, Politics and government, Revolutionists, Secret service, Police, soviet union, Secret service, soviet union, Revolutionaries, soviet union, Soviet union, politics and government, Soviet union, history, 20th century, Revolutionaries, Subversive activities, Spies, Internal security, Informers, Partīi︠a︡ sot︠s︡īalistov-revoli︠u︡t︠s︡īonerov
Places: Soviet Union
Time periods: 1904-1914