Columbia subject headings:
Architecture--Turkey--Congresses.
Art--History--Congresses.
Art--Turkey--History--Congresses.
Religious architecture--Turkey--Congresses.
Turkey--Antiquities--Congresses.
Turkey--Civilization--Congresses.
Harvard subject headings:
Art--History--Congresses.
Art--Turkey--History--Congresses.
Princeton subject headings:
Art--History--Congresses.
Art--Turkey--History--Congresses.