Columbia subject headings:
Germany (East)--Relations--Germany (West)
Germany (East). Ministerium für Staatssicherheit.
Germany (West)--Relations--Germany (East)
Germany--Politics and government--1945-1990.
Grünen (Political party)
Harvard subject headings:
Germany (East)--Foreign relations--Germany (West)
Germany (East)--Politics and government.
Germany (East). Ministerium für Staatssicherheit.
Germany (West)--Foreign relations--Germany (East)
Grünen (Political party)
Political parties--Germany (East)--History--20th century.
Political parties--Germany (West)--History--20th century.
Sozialistische Einheitspartei Deutschlands.
Princeton subject headings:
Germany (East)--Relations--Germany (West)
Germany (East). Ministerium für Staatssicherheit
Germany (West)--Relations--Germany (East)
Germany--Politics and government--1945-1990.
Grünen (Political party)