Columbia subject headings:
Germany (East)--History.
Germany (East)--Intellectual life.
Germany (East)--Politics and government.
Protest movements--Germany (East)
Harvard subject headings:
Germany (East)--History.
Germany (East)--Intellectual life.
Socialism--Germany (East)--History
Princeton subject headings:
Germany (East)--History.
Germany (East)--Intellectual life.
Germany (East)--Politics and government.
Protest movements--Germany (East)