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Keywords
- Almucantar4
- Arab countries1
- Arabic alphabet1
- Arabic language1
- Arabic language--Versification1
- Arithmetic1
- Astrolabes4
- Astrology, Arab1
- Astronomical instruments4
- Astronomy2
- Astronomy, Arab7
- Astronomy, Medieval1
- Autographs1
- Classification of sciences1
- Colored papers1
- Comets1
- Cosmology1
- Divination1
- Early works10
- Eighteenth century1