Columbia subject headings:
Bektashi--Turkey--Congresses.
Islamic sects--Turkey--Congresses.
Shiites--Turkey--Congresses.
Turkey--Politics and government--20th century--Congresses.
Harvard subject headings:
Bektashi--Turkey--Congresses.
Islamic sects--Turkey--Congresses.
Shiites--Turkey--Congresses.
Turkey--Politics and government--20th century--Congresses.
Princeton subject headings: