Columbia subject headings:
Harvard subject headings:
Cold War
Espionage--Germany (East)--History.
Espionage--Soviet Union--History.
Raue, Olga.
Spies--United States--History--20th century.
United States. Central Intelligence Agency
Princeton subject headings:
Cold War.
Raue, Olga, 1928-
Women spies--Germany (East)--Biography.