Columbia subject headings:
Harvard subject headings:
Germany (East)--Politics and government.
Germany (East). Ministerium für Staatssicherheit.
Secret service--Germany (East)
State-sponsored terrorism--Germany (East)--History.
Terrorism--Germany (East)
Terrorism--Germany (West)--History.
Terrorism--Government policy--Germany (East)--History.
Terrorism--History--20th century
Princeton subject headings:
Germany (East). Ministerium für Staassicherheit--History.
State-sponsored terrorism--Germany (East)--History.
Terorism--History--20th century.
Terrorism--Germany (West)--History.
Terrorism--Government policy--Germany (East)--History.