Columbia subject headings:
Harvard subject headings:
Germany. Bundesnachrichtendienst--History.
Germany. Bundesnachrichtendienst.
Intelligence officers--Germany--Biography.
Intelligence service--Germany--History.
Juretzko, Norbert, 1953-
National security--Germany--History.
Spies--Germany.
Princeton subject headings:
Germany. Bundesnachrichtendienst
Intelligence service--Germany--History.
National security--Germany--History.
Spies--Germany.