Columbia subject headings:
Civil rights--Soviet Union--Congresses.
Civil rights--Soviet Union.
Dissenters--Soviet Union.
Human rights--Congresses.
Human rights--Soviet Union.
International Sakharov Hearings (1st : 1975 : Copenhagen, Denmark)
Harvard subject headings:
Civil rights--Soviet Union
Civil rights--Soviet Union--Congresses.
Dissenters--Soviet Union
Human rights--Soviet Union
International Sakharov Hearings (1st : 1975 : Copenhagen, Denmark)
Minorities--Soviet Union--Congresses.
Sakharov, Andreĭ, 1921- Congresses.
Princeton subject headings: