Columbia subject headings:
Harvard subject headings:
Blunt, Anthony, 1907-1983.
Great Britain--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Great Britain.
Soviet Union. Komitet gosudarstvennoĭ bezopasnosti.
Spies--Soviet Union.
World War, 1939-1945--Great Britain.
World War, 1939-1945--Secret service.
World War, 1939-1945--Soviet Union.
Princeton subject headings:
Blunt, Anthony, 1907-1983.
Great Britain--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Great Britain.
Soviet Union. Komitet gosudarstvennoĭ bezopasnosti
Spies--Soviet Union--Biography.
World War, 1939-1945--Great Britain.
World War, 1939-1945--Secret service.
World War, 1939-1945--Soviet Union.