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Keywords
- Almucantar[remove]5
- Arabic alphabet1
- Arabic language1
- Arithmetic1
- Astrolabes3
- Astrology, Arab1
- Astronomical instruments4
- Astronomy1
- Astronomy, Arab5
- Autographs1
- Charts, diagrams, etc.1
- Classification of sciences1
- Comets1
- Divination1
- Early works5
- Elements (Euclid)1
- Encyclopedias and dictionaries1
- Fortune-telling1
- Geography1
- Geometry1