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Keywords
- manuals (instructional materials)2
- poems2
- tables (documents)2
- Arithmetic1
- Astronomy, Medieval1
- Catholic Church1
- De caelo (Aristotle)1
- Hindu astronomy1
- Italy1
- Manuscripts, Renaissance1
- Navigation1
- Pregnancy1
- Science1
- Theology, Doctrinal1
- Thirteenth century1
- Time measurements1
- commentaries1
- dialogues1
- fragments (object portions)1
- world maps1