Columbia subject headings:
Turkey--History--1918-1960--Congresses.
Turkey--History--1960---Congresses.
Harvard subject headings:
Turkey--Economic conditions--1918-1960--Congresses.
Turkey--Economic conditions--1960---Congresses.
Turkey--History--1918-1960--Congresses.
Turkey--History--1960---Congresses.
Turkey--History--20th century--Congresses.
Turkey--Politics and government--1909---Congresses.
Princeton subject headings:
Turkey--Economic conditions--1918-1960--Congresses.
Turkey--Economic conditions--1960---Congresses.
Turkey--History--20th century--Congresses.
Turkey--Politics and government--1909---Congresses.