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Keywords
- Quadrants (Astronomical instruments)[remove]20
- Early works19
- Manuscripts, Arabic19
- New Jersey--Princeton18
- Almucantar10
- Astronomical instruments9
- Astrolabes6
- Astronomy, Arab4
- Manuscripts, Turkish4
- Mathematics, Arab4
- Prayer--Islam4
- Commentaries3
- Qurʼan3
- Recitations3
- Timekeeping3
- Watermarks3
- Astronomy2
- Autographs2
- Dialectic2
- Geometry2