Columbia subject headings:
Caliphate.
Secularism--Turkey.
Turkey--Politics and government--1918-1960.
Harvard subject headings:
Caliphate
Islam and politics--Turkey.
Secularism--Turkey.
Turkey--Politics and government--1918-1960.
Princeton subject headings:
Caliphate.
Secularism--Turkey.
Turkey--Politics and government--1918-1960.