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Keywords
- Early works10
- Manuscripts, Arabic[remove]10
- Astronomy, Arab8
- New Jersey--Princeton8
- Manuscripts, Persian6
- Astrolabes4
- Quadrants (Astronomical instruments)4
- Timekeeping3
- Almucantar2
- Astronomical instruments2
- Astronomy2
- Tables2
- diagrams2
- scientific illustrations (images)2
- Arithmetic1
- Astrology1
- Astrology, Arab1
- Calendar, Chinese1
- Charts, diagrams, etc.1
- Constellations1