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Keywords
- Early works28
- Manuscripts, Arabic28
- Timekeeping[remove]28
- New Jersey--Princeton25
- Astronomy, Arab9
- Astronomical instruments7
- Qiblah7
- Astrolabes6
- Tables6
- Manuscripts, Persian5
- Quadrants (Astronomical instruments)5
- Sharḥ al-Wiqāyah (Maḥbūbī, ʻUbayd Allāh ibn Masʻūd)5
- Almucantar4
- Astronomy4
- Mathematics, Arab4
- scientific illustrations (images)4
- Arithmetic3
- Hadith3
- Manuscripts, Turkish3
- Watermarks3