Columbia subject headings:
European cooperation--Congresses.
European federation--Congresses.
Germany--Relations--Italy--Congresses.
Italy--Relations--Germany--Congresses.
Harvard subject headings:
European federation--Congresses
European federation.
Germany (West)--Foreign relations--Italy--Congresses.
Germany (West)--Foreign relations--Italy.
Italy--Foreign relations--Germany (West)
Italy--Foreign relations--Germany (West)--Congresses.
Princeton subject headings: