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Keywords
- Astronomical instruments[remove]32
- New Jersey--Princeton32
- Early works29
- Manuscripts, Arabic29
- Quadrants (Astronomical instruments)16
- Astronomy, Arab13
- Astrolabes12
- Almucantar10
- Manuscripts, Turkish9
- Islamic Empire8
- Timekeeping7
- Commentaries5
- Hadith5
- Prayer--Islam5
- Qurʼan5
- Logic4
- Manuscripts, Persian4
- Qiblah4
- Arabic language3
- Islam3