Columbia subject headings:
Harvard subject headings:
Political parties--Russia (Federation)--History--Congresses.
Political parties--Russia--History--Congresses.
Political parties--Soviet Union--History--Congresses.
Social movements--Russia (Federation)--History--Congresses.
Social movements--Russia--History--Congresses.
Social movements--Soviet Union--History--Congresses.
Princeton subject headings:
Political parties--Russia (Federation)--History--Congresses.
Political parties--Russia--History--Congresses.
Political parties--Soviet Union--History--Congresses.
Social movements--Russia (Federation)--History--Congresses.
Social movements--Russia--History--Congresses.
Social movements--Soviet Union--History--Congresses.