Columbia subject headings:
Harvard subject headings:
BND-Zentrale (Berlin, Germany)--History.
Espionage, East German.
Espionage, West German.
Gast, Gabriele, 1943-
Germany (East). Ministerium für Staatssicherheit. Hauptverwaltung Aufklärung--History.
Intelligence service--Germany (East)
Intelligence service--Germany (West)
Spies--Germany (East)--Biography.
Princeton subject headings:
BND-Zentrale (Berlin, Germany)--History.
Espionage, East German.
Espionage, West German.
Gast, Gabriele, 1943-
Germany (East). Ministerium für Staatssicherheit. Hauptverwaltung Aufklärung--History.
Intelligence service--Germany (East)
Intelligence service--Germany (West).
Spies--Germany (East)--Biography.