Columbia subject headings:
Bektashi--History.
Islamic sects--Thrace--History.
Pomaks--History.
Thrace--Religion.
Harvard subject headings:
Bektashi--Greece--Thrace, Western--History.
Bektashi.
Dervishes
Islam--Thrace--History.
Thrace, Western (Greece)--Religion.
Princeton subject headings:
Bektashi--History.
Islamic sects--Thrace--History.