Columbia subject headings:
Harvard subject headings:
Brandt, Willy, 1913-1992--Friends and associates.
Espionage--Germany (East)
Espionage--Germany (West)
Germany--Politics and government--1945-1990.
Guillaume, Günter, 1926-1995.
Spies--Germany (East)--Biography.
Spies--Germany (West)--Biography.
Spies--Germany--Biography.
Princeton subject headings:
Brandt, Willy, 1913-1992--Friends and associates.
Espionage--Germany (East).
Espionage--Germany (West).
Germany--Politics and government--1945-1990.
Guillaume, Günter, 1926-1995.
Spies--Germany (East)--Biography.
Spies--Germany (West)--Biography.