Columbia subject headings:
Belarus--Relations--Poland.
Poland--Foreign relations--1989-
Poland--Relations--Belarus.
Poland--Relations--Russia (Federation)
Poland--Relations--Ukraine.
Russia (Federation)--Relations--Poland.
Ukraine--Relations--Poland.
Harvard subject headings:
Belarus--Relations--Poland.
Poland--Foreign relations--1989-
Poland--Relations--Belarus.
Poland--Relations--Russia (Federation)
Poland--Relations--Ukraine
Russia (Federation)--Relations--Poland.
Ukraine--Relations--Poland.
Princeton subject headings: