Columbia subject headings:
Civilization, Turkic.
Islamic ethics.
Philosophy, Turkish.
Sufism.
Turks--Civilization.
Harvard subject headings:
Civilization, Turkic.
Islamic ethics.
Philosophy, Turkish.
Sufism
Turkey--Civilization.
Turks--Civilization.
Princeton subject headings:
Civilization, Turkic.
Islamic ethics.
Philosophy, Turkish.
Sufism.
Turks--Civilization.