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Keywords
- Almanacs1
- Astronomy, Arab1
- Astronomy, Medieval1
- Early works2
- France1
- Graphs1
- History1
- Liturgics--Calendar1
- Lunar eclipses2
- Manuscripts, Medieval1
- Manuscripts, Turkish1
- Medicine, Medieval1
- Medicine, Medieval--Manuscripts1
- New Jersey--Princeton1
- Solar eclipses[remove]3
- Thirteenth century1
- Weather forecasting1
- almanacs2