Columbia subject headings:
Internal security--Russia (Federation)
National security--Russia (Federation)
Official secrets--Russia (Federation)
Secrecy--Law and legislation--Russia (Federation)
Harvard subject headings:
Internal security--Russia (Federation)
National security--Law and legislation--Russia (Federation)
Official secrets--Russia (Federation)
Secrecy--Law and legislation--Russia (Federation)
Princeton subject headings:
Internal security--Russia (Federation)
National security--Russia (Federation)
Official secrets--Russia (Federation).
Secrecy--Law and legislation--Russia (Federation).