Columbia subject headings:
İzmirli İsmail Hakkı, 1869-1946--Congresses.
Harvard subject headings:
Muslim philosophers--Turkey.
Muslim scholars--Turkey.
İzmirli İsmail Hakkı, 1869-1946.
Princeton subject headings:
İzmirli İsmail Hakkı, 1869-1946.
Muslim philosophers--Turkey.
Muslim theologians--Turkey.