Columbia subject headings:
Intelligence service--Russia (Federation)--Ti︠u︡menskai︠a︡ oblastʹ.
Political persecution--Russia (Federation)--Ti︠u︡menskai︠a︡ oblastʹ.
Secret service--Russia (Federation)--Ti︠u︡menskai︠a︡ oblastʹ.
Ti︠u︡menskai︠a︡ oblastʹ (Russia)--History--20th century.
Harvard subject headings:
Political persecution--Russia (Federation)--Ti︠u︡menskai︠a︡ oblastʹ--History.
Ti︠u︡menskai︠a︡ oblastʹ (Russia)--History--20th century.
Princeton subject headings:
Intelligence service--Russia (Federation)--Ti︠u︡menskai︠a︡ oblastʹ.
Political persecution--Russia (Federation)--Ti︠u︡menskai︠a︡ oblastʹ.
Secret service--Russia (Federation)--Ti︠u︡menskai︠a︡ oblastʹ.
Ti︠u︡menskai︠a︡ oblastʹ (Russia)--History--20th century.