Columbia subject headings:
Germany (East)--Politics and government--1989-1990.
Germany (East). Ministerium für Staatssicherheit.
Internal security--Germany (East)
Harvard subject headings:
Germany (East)--Politics and government--1989-1990.
Germany (East). Ministerium für Staatssicherheit.
Opposition (Political science)--Germany (East)
Sozialistische Einheitspartei Deutschlands.
Princeton subject headings:
Germany (East)--Politics and government--1989-1990.
Germany (East). Ministerium für Staatssicherheit
Opposition (Political science)--Germany (East)
Sozialistische Einheitspartei Deutschlands.