Columbia subject headings:
Soviet Union--Intellectual life--1917-1970.
Soviet Union--Intellectual life--1970-1991.
Harvard subject headings:
Communism and intellectuals--Soviet Union--Congresses.
Intellectuals--Soviet Union--Congresses.
Science and state--Soviet Union--Congresses.
Soviet Union--Intellectual life--Congresses.
Princeton subject headings:
Communism and intellectuals--Soviet Union--Congresses.
Intellectuals--Soviet Union--Congresses.
Science and state--Soviet Union--Congresses.
Soviet Union--Intellectual life--Congresses.