Subject
- Astronomy, Arab[remove]21
- Astronomy--Early works to 180020
- Astronomy, Medieval16
- Astronomy, Greek10
- Astronomy--Mathematics5
- Islamic astronomy5
- Astronomy, Ancient4
- Ptolemy, active 2nd century. Almagest3
- Astronomy--Tables2
- Astronomy, Roman1
- Constellations1
- Cosmology -- early works to 18001
- Optics -- Early works to 18001
- Spherical astronomy -- Early works to 18001