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Keywords
- Agriculture--Religious aspects--Hinduism1
- Alchemy1
- Alexander, the Great, 356 B.C.-323 B.C.2
- Almagest (Ptolemy)1
- Almanacs1
- Annotations3
- Aristotle2
- Arithmetic2
- Armenia1
- Astrolabes3
- Astrology10
- Astrology, Arab1
- Astronomical instruments1
- Astronomy[remove]69
- Astronomy, Arab1
- Astronomy, Greek1
- Astronomy, Medieval8
- Astronomy--Mathematics2
- Astronomy--Tables2
- Austria--Lambach (Upper Austria)1