Columbia subject headings:
Harvard subject headings:
Demonstrations--Germany (East)--History.
Germany (East)--Politics and government--1989-1990.
Germany (East)--Politics and government.
Princeton subject headings:
Demonstrations--Germany (East)--History--Exhibitions.
Germany (East)--Politics and government--1989-1990--Exhibitions.
Germany--History--Unification, 1990--Exhibitions.