Columbia subject headings:
Islamic calligraphy--Turkey--Exhibitions.
Muslim calligraphers--Turkey.
Okyay, Necmeddin, 1883-1976--Exhibitions.
Harvard subject headings:
Islamic calligraphy--Turkey--Exhibitions.
Muslim calligraphers--Turkey.
Okyay, Necmeddin, 1883-1976--Exhibitions.
Princeton subject headings:
Islamic calligraphy--Turkey--Exhibitions.
Muslim calligraphers--Turkey.
Okyay, Necmeddin, 1883-1976--exhibitions.