Columbia subject headings:
East-West trade--Congresses.
Europe, Eastern--Foreign economic relations--Congresses.
Italy--Foreign economic relations--Poland--Congresses.
Poland--Foreign economic relations--Italy--Congresses.
Harvard subject headings:
Europe, Eastern--Commerce--Italy.
Europe, Eastern--Foreign economic relations--Italy--Congresses.
International economic relations.
Italy--Commerce--Poland.
Italy--Commercial policy--Congresses.
Italy--Foreign economic relations--Europe, Eastern--Congresses.
Italy--Foreign economic relations--Poland--Congresses.
Poland--Commerce--Italy.
Poland--Foreign economic relations--Italy--Congresses.
Princeton subject headings: