Columbia subject headings:
Secret service--Russia (Federation)--Biography.
Secret service--Soviet Union--Biography.
Soviet Union. Ministerstvo vnutrennikh del--History.
Soviet Union. Narodnyĭ komissariat vnutrennikh del--History.
Harvard subject headings:
Internal security--Soviet Union--History
Secret service--Russia (Federation)--Biography.
Secret service--Russia--History
Secret service--Soviet Union--Biography.
Secret service--Soviet Union--History
Soviet Union. Ministerstvo vnutrennikh del--History.
Soviet Union. Narodnyĭ komissariat vnutrennikh del--History.
Princeton subject headings:
Secret service--Russia (Federation)--Biography.
Secret service--Soviet Union--Biography.
Soviet Union. Ministerstvo vnutrennikh del--History.
Soviet Union. Narodnyĭ komissariat vnutrennikh del--History.