Columbia subject headings:
Bektashi--History--Sources.
Islamic sects--Turkey--History--Sources.
Seyyid Ali Sultan, 1310-1402--Sources.
Sufism--Turkey--Sources.
Turkey--History--Ottoman Empire, 1288-1918--Sources.
Turkmen--Turkey--Religion--Sources.
Turks--Religion--Sources.
Harvard subject headings:
Bektashi--Turkey--History.
Manuscripts, Turkish--Facsimiles.
Seyyid Ali Sultan, 1310-1402.
Sufis--Turkey--Biography
Princeton subject headings: