Columbia subject headings:
Liberalism--Congresses.
Liberalism--Turkey--Congresses.
Turkey--Politics and government--Congresses.
Harvard subject headings:
Liberalism--Congresses
Liberalism--Turkey--Congresses.
Turkey--Politics and government--Congresses.
Princeton subject headings:
Liberalism--Congresses.
Liberalism--Turkey--Congresses.
Turkey--Politics and government--Congresses.