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Keywords
- Arab countries[remove]2
- Astronomy, Arab2
- Early works2
- Geometry2
- Manuscripts, Arabic2
- Stamps2
- compilation manuscripts2
- diagrams2
- manuscripts (documents)2
- 500-15001
- Algebra1
- Annotations1
- Astrolabes1
- Astronomy, Greek1
- Conics (Apollonius, of Perga)1
- Islamic Empire1
- Manuscripts, Persian1
- Mathematics, Arab1
- Music1
- Music theory1