Columbia subject headings:
Germany (East)--History.
Germany (East)--Politics and government.
Social movements--Germany (East)--History.
Harvard subject headings:
Germany (East)--History.
Germany (East)--Politics and government--1989-1990.
Social movements--Germany (East)--History.
Princeton subject headings:
Germany (East)--Politics and government.
Protest movements--Germany (East)--History.
Sozialistische Einheitspartei Deutschlands.