Columbia subject headings:
Harvard subject headings:
Astronomy, Arab--Early works to 1800.
Astronomy, Medieval
Geography, Arab--Early works to 1800.
Geography, Medieval.
Islamic astrology--Early works to 1800.
Princeton subject headings:
Astronomy, Arab--Early works to 1800.
Astronomy, Medieval.
Geography, Arab--Early works to 1800.
Geography, Medieval.
Islamic astrology--Early works to 1800.