Columbia subject headings:
Turkey--History--1918-1960--Congresses.
Turkey--History--Study and teaching--Congresses.
Harvard subject headings:
Turkey--History--1918-1960--Congresses.
Turkey--History--Study and teaching--Congresses.
Princeton subject headings:
Turkey--History--1918-1960--Congresses.
Turkey--History--Study and teaching--Congresses.