Columbia subject headings:
Harvard subject headings:
Russia (Federation)--History--1991-
Russia (Federation)--History--Philosophy.
Russia (Federation)--Intellectual life--1991-
Soviet Union--History--Philosophy.
Soviet Union--History.
Soviet Union--Intellectual life.
Princeton subject headings:
Russia (Federation)--History--1991-
Russia (Federation)--History--Philosophy.
Russia (Federation)--Intellectual life--1991-
Soviet Union--History--Philosophy.
Soviet Union--History.
Soviet Union--Intellectual life.