Columbia subject headings:
Europe--Relations--Russia.
Russia--Relations--Europe.
Harvard subject headings:
Europe--Relations--Russia (Federation)
Europe--Relations--Russia.
Europe--Relations--Soviet Union.
Russia (Federation)--Relations--Europe.
Russia--Relations--Europe.
Soviet Union--Relations--Europe.
Princeton subject headings:
Europe--Relations--Russia (Federation).
Europe--Relations--Russia.
Europe--Relations--Soviet Union.
Russia (Federation)--Relations--Europe.
Russia--Relations--Europe.
Soviet Union--Relations--Europe.