Columbia subject headings:
Glavnoe razvedyvatelʹnoe upravlenie.
Harvard subject headings:
Intelligence service--Soviet Union--History.
Secret service--Soviet Union--History
Soviet Union. Glavnoe razvedyvatelʹnoe upravlenie--Biography.
Spies--Soviet Union--Biography.
Suvorov, Viktor.
Princeton subject headings:
Soviet Union. Glavnoe razvedyvatelʹnoe upravlenie--Biography.
Spies--Soviet Union--Biography.
Suvorov, Viktor.