Columbia subject headings:
Europe, Eastern--Civilization--Congresses.
Turkey--History--Ottoman Empire, 1288-1918--Congresses.
Harvard subject headings:
Europe, Eastern--Relations--Turkey--Congresses.
Turkey--Relations--Europe, Eastern--Congresses.
Princeton subject headings:
Europe, Eastern--Civilization--Congresses.
Turkey--History--Ottoman Empire, 1288-1918--Congresses.