Columbia subject headings:
Harvard subject headings:
International relations and culture--Mediterranean Region--History--Congresses.
Mediterranean Region--History--476-1517--Congresses.
Mediterranean Region--Relations--History--Congresses.
Princeton subject headings:
International relations and culture--Mediterranean Region--History--Congresses.
Mediterranean Region--History--476-1517--Congresses.
Mediterranean Region--Relations--History--Congresses.