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Keywords
- Quadrants (Astronomical instruments)[remove]31
- Early works30
- Manuscripts, Arabic29
- New Jersey--Princeton25
- Almucantar16
- Astronomy, Arab15
- Astronomical instruments12
- Astrolabes9
- Manuscripts, Turkish9
- Hadith5
- Islamic Empire5
- Logic5
- Manuscripts, Persian5
- Mathematics, Arab5
- Watermarks5
- Commentaries4
- Islam--Doctrines4
- Islamic philosophy4
- Qurʼan4
- Timekeeping4