Columbia subject headings:
Soviet Union. Glavnoe razvedyvatelʹnoe upravlenie--Biography.
Spies--Soviet Union--Biography.
Suvorov, Viktor.
Harvard subject headings:
Sokolov, Vladimir--Biography.
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.