Columbia subject headings:
Czechoslovakia--Politics and government--1968-1989--Sources.
Dissenters--Czechoslovakia.
Harvard subject headings:
Anti-communist movements--Czechoslovakia.
Charta 77 (Group)--History--Sources.
Civil rights--Czechoslovakia--Sources.
Czechoslovakia--Politics and government--1968---Sources.
Dissenters--Czechoslovakia.
Princeton subject headings:
Czechoslovakia--Politics and government--1968---Sources.
Dissenters--Czechoslovakia.