Columbia subject headings:
Harvard subject headings:
Belarus--Foreign relations--Poland--Congresses.
Belarus--Foreign relations--Russia (Federation)
European Union--Belarus.
European Union--Poland.
Poland--Foreign relations--Belarus--Congresses.
Russia (Federation)--Foreign relations--Belarus.
Princeton subject headings:
Belarus--Relations--Poland--Congresses.
European Union--Belarus--Congresses.
European Union--Poland--Congresses.
Poland--Relations--Belarus--Congresses.