Books in Astronomy (sorted by popularity)
- The gradual acceptance of the Copernican theory of the universe Dorothy Stimson 100 downloads
- Lectures on Stellar Statistics C. V. L. Charlier 89 downloads
- Time and Tide: A Romance of the Moon Robert S. Ball 88 downloads
- Le Système Solaire se mouvant (French) August Tischner 87 downloads
- Other Worlds Garrett Putman Serviss 84 downloads
- Watchers of the Sky Alfred Noyes 80 downloads
- Half-hours with the Telescope Richard A. Proctor 75 downloads
- The Tides and Kindred Phenomena in the Solar System Sir George Howard Darwin 62 downloads
- Scientific Papers by Sir George Howard Darwin. Volume V. Supplementary Volume Sir George Howard Darwin 61 downloads
- Side-Lights on Astronomy and Kindred Fields of Popular Science Simon Newcomb 54 downloads
- Astronomical Instruments and Accessories William Gaertner and Company 50 downloads
- The Future of Astronomy Edward C. Pickering 49 downloads
- Publications of the Astronomical Society of the Pacific, Volume 1 Astronomical Society of the Pacific 22 downloads