Columbia subject headings:
Federalʹnai︠a︡ sluzhba bezopasnosti Rossii.
Internal security--Law and legislation--Russia (Federation)
National security--Law and legislation--Russia (Federation)
Soviet Union. Komitet gosudarstvennoĭ bezopasnosti.
Harvard subject headings:
Intelligence service--Law and legislation--Russia (Federation)
Intelligence service--Soviet Union--History
Internal security--Law and legislation--Russia (Federation)
Internal security--Soviet Union--History
Princeton subject headings: