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Keywords
- Agriculture--Religious aspects--Hinduism1
- Alchemy1
- Alexander, the Great, 356 B.C.-323 B.C.2
- Almagest (Ptolemy)2
- Almanacs1
- Almucantar1
- Annotations5
- Aristotle2
- Arithmetic2
- Armenia1
- Astrolabes10
- Astrology11
- Astrology, Arab1
- Astrology, Iranian1
- Astrometeorology1
- Astronomical instruments4
- Astronomical literature2
- Astronomy[remove]103
- Astronomy, Ancient2
- Astronomy, Arab9