Columbia subject headings:
Asia, Central--Civilization--Islamic influences.
Asia, Central--History.
Dervishes--Asia, Central.
Islamic civilization--History.
Harvard subject headings:
Asia, Central--Civilization--Islamic influences.
Asia, Central--History.
Dervishes--Asia, Central.
Islamic civilization--History.
Princeton subject headings:
Asia, Central--Civilization--Islamic influences.
Asia, Central--History.
Dervishes--Asia, Central.
Islamic civilization--History.