Columbia subject headings:
Harvard subject headings:
Europe--Foreign economic relations.
Germany--Relations--Poland.
Germany--Relations--Russia (Federation)
National security--Europe
Poland--Relations--Germany
Poland--Relations--Russia (Federation)
Russia (Federation)--Relations--Germany.
Russia (Federation)--Relations--Poland.
Princeton subject headings:
Europe--Foreign economic relations.
Europe--Politics and government--1989-
Germany--Relations--Poland.
Germany--Relations--Russia (Federation).
National security--Europe.
Poland--Relations--Germany.
Poland--Relations--Russia (Federation).
Russia (Federation)--Relations--Germany.
Russia (Federation)--Relations--Poland.