Columbia subject headings:
Islamic calligraphy.
Writing materials and instruments.
Harvard subject headings:
Akgül, Mehmet--Art collections--Catalogs.
Art objects, Turkish--Catalogs.
Calligraphy, Arabic--Catalogs.
Inkwells--Turkey--Catalogs.
Islamic calligraphy--Catalogs.
Writing--Materials and instruments--Catalogs.
Princeton subject headings:
Islamic calligraphy.
Writing materials and instruments.