Columbia subject headings:
Harvard subject headings:
Germany (East)--Politics and government--1989-1990.
Germany--Politics and government--1990-
Social movements--Germany (East)--History.
Social movements--Germany--History--20th century.
Princeton subject headings:
Germany (East)--Politics and government--1989-1990.
Germany--Politics and government--1990-
Social movements--Germany (East)--History.
Social movements--Germany--History--20th century.