Columbia subject headings:
Astronomy, Arab--Egypt.
Astronomy--Early works to 1800.
Manuscripts, Arabic--Turkey--Istanbul--Facsimiles.
Harvard subject headings:
Astronomy, Arab--Egypt.
Astronomy--Early works to 1800
Manuscripts, Arabic--Turkey--Istanbul--Facsimiles.
Princeton subject headings:
Astronomy, Arab--Early works to 1800.
Astronomy--Early works to 1800.
Manuscripts, Arabic--Turkey--Istanbul--Facsimiles.