Columbia subject headings:
Censorship--Russia (Federation)
Censorship--Russia.
Censorship--Soviet Union.
Harvard subject headings:
Censorship--Russia (Federation)--Periodicals.
Censorship--Russia--Periodicals.
Censorship--Soviet Union--Periodicals.
Princeton subject headings:
Censorship--Russia (Federation).
Censorship--Russia.
Censorship--Soviet Union.