Columbia subject headings:
Freemasonry--Turkey.
Mysticism--Islam.
Rıza Tevfik, 1869?-1949.
Sufism--Turkey.
Harvard subject headings:
Freemasonry--Turkey.
Mysticism--Islam
Riza Tevfik, 1869?-1949.
Sufism--Turkey
Princeton subject headings:
Freemasonry--Turkey--History.
Rıza Tevfik, 1869?-1949.
Sufis--Turkey--Biography.
Sufism--Turkey--History.
Turkey--Intellectual life.