Columbia subject headings:
Communism--Germany (East)
Germany (East)--Politics and government.
Opposition (Political science)--Germany (East)
Harvard subject headings:
Communism--Germany (East)
Germany (East)--Politics and government.
Opposition (Political science)
Opposition (Political science)--Germany (East)
Princeton subject headings:
Germany (East)--Politics and government.
Government, Resistance to--Germany (East).
Opposition (Political science)--Germany (East)