Columbia subject headings:
Harvard subject headings:
Dissenters--Germany (East)
Dissenters--Poland.
Germany (East)--Politics and government.
Government, Resistance to--Germany (East)
Government, Resistance to--Poland.
NSZZ "Solidarność" (Labor organization)
Opposition (Political science)--Germany (East)
Opposition (Political science)--Poland.
Poland--Politics and government--1980-1989
Princeton subject headings:
Dictatorship--Germany (East).
Dictatorship--Poland.
Germany--History--Unification, 1990.
Government, Resistance to--Germany (East).
Government, Resistance to--Poland.
Poland--History--1989-