Columbia subject headings:
Turkey--Economic conditions--Congresses.
Turkey--Politics and government--Congresses.
Turkey--Social conditions--Congresses.
Harvard subject headings:
Turkey--Economic conditions--Congresses.
Turkey--Politics and government--Congresses.
Turkey--Social conditions--Congresses.
Princeton subject headings:
Turkey--Economic conditions--Congresses.
Turkey--Politics and government--Congresses.
Turkey--Social conditions--Congresses.