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Keywords
- Astronomical instruments[remove]29
- Manuscripts, Arabic29
- New Jersey--Princeton29
- Early works28
- Quadrants (Astronomical instruments)15
- Astronomy, Arab13
- Astrolabes12
- Almucantar9
- Manuscripts, Turkish8
- Islamic Empire7
- Timekeeping7
- Commentaries5
- Hadith5
- Prayer--Islam5
- Qurʼan5
- Logic4
- Arabic language3
- Islam3
- Islamic law3
- Islamic philosophy3