Columbia subject headings:
Asia--Economic conditions--Congresses.
Asia--Foreign economic relations--Europe, Eastern--Congresses.
Europe, Eastern--Economic conditions--Congresses.
Europe, Eastern--Foreign economic relations--Asia--Congresses.
Harvard subject headings:
Princeton subject headings:
Asia--Economic conditions--Congresses.
Asia--Foreign economic relations--Europe, Eastern--Congresses.
Europe, Eastern--Economic conditions--Congresses.
Europe, Eastern--Foreign economic relations--Asia--Congresses.