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Keywords
- Early works13
- diagrams[remove]13
- codices (bound manuscripts)10
- Manuscripts, Medieval9
- Manuscripts, Arabic6
- Manuscripts, Latin5
- treatises5
- Astronomy4
- Astronomy, Arab4
- Thirteenth century4
- Manuscripts, Persian3
- Stamps3
- Annotations2
- Arab countries2
- Arithmetic2
- Astrolabes2
- Astronomy, Medieval2
- Catholic Church2
- Cosmography2
- Cosmology2