Columbia subject headings:
Harvard subject headings:
Germany (West). Bundesnachrichtendienst--History.
Germany (West). Bundesnachrichtendienst--Officials and employees--Biography.
Germany--History--1945-
Intelligence officers--Germany (West)--Biography.
Intelligence service--Germany (West)--History--20th century.
Secret service--Germany (West)--History--20th century.
Princeton subject headings:
Germany. Bundesnachrichtendienst--History.
Intelligence service--Germany--History--20th century.
Secret service--Germany--History--20th century.