Columbia subject headings:
Mahmut Hüdayı̂, 1543 or 1544-1628--Philosophy.
Sufism--Turkey--History.
Harvard subject headings:
Celvetîye--Biography.
Celvetîye--History.
Mahmut Hüdayı̂, 1543 or 1544-1628.
Sufis--Turkey.
Princeton subject headings:
Hüdayı̂, Mahmut, 1543 or 44-1628--Philosophy.
Sufism--Turkey--History.