Columbia subject headings:
Dervishes--Turkey--Congresses.
Hacı Bayram Veli, -1429--Congresses.
Muslim saints--Turkey--Congresses.
Harvard subject headings:
Dervishes--Turkey--Congresses.
Hacı Bayram Veli, -1429--Congresses.
Muslim saints--Turkey--Congresses.
Princeton subject headings:
Dervishes--Turkey--Congresses.
Hacı Bayram Veli, -1429--Congresses.
Muslim saints--Turkey--Congresses.