Columbia subject headings:
Italy--Civilization--Congresses.
Italy--Relations--Turkey--Congresses.
Turkey--Civilization--Congresses.
Turkey--Relations--Italy--Congresses.
Harvard subject headings:
Italy--Civilization--Congresses.
Italy--Relations--Turkey--Congresses.
Turkey--Civilization--Congresses.
Turkey--Relations--Italy--Congresses.
Princeton subject headings:
Italy--Civilization--Congresses.
Italy--Relations--Turkey--Congresses.
Turkey--Civilization--Congresses.
Turkey--Relations--Italy--Congresses.