Columbia subject headings:
Harvard subject headings:
Dissenters--Czechoslovakia--History.
Dissenters--Czechoslovakia.
Dissenters--Germany (East)
Dissenters--Germany (East)--History.
Dissenters--Poland--History.
Dissenters--Poland.
Europe, Eastern--Politics and government--1945-1989.
Government, Resistance to--Czechoslovakia--History.
Government, Resistance to--Czechoslovakia.
Government, Resistance to--Germany (East)
Government, Resistance to--Germany (East)--History.
Government, Resistance to--Poland--History.
Government, Resistance to--Poland.
Opposition (Political science)--Europe, Eastern--History--20th century.
Princeton subject headings:
Dissenters--Czechoslovakia.
Dissenters--Germany (East).
Dissenters--Poland.
Government, Resistance to--Czechoslovakia.
Government, Resistance to--Germany (East).
Government, Resistance to--Poland.