Books in Astronomy (sorted by popularity)
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Other Worlds Garrett Putman Serviss 185 downloads
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Side-Lights on Astronomy and Kindred Fields of Popular Science Simon Newcomb 174 downloads
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Astronomical Instruments and Accessories William Gaertner and Company 171 downloads
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Pleasures of the telescope Garrett Putman Serviss 169 downloads
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Lectures on Stellar Statistics C. V. L. Charlier 165 downloads
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Are the Planets Inhabited? E. Walter Maunder 161 downloads
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Mathematical Geography Willis E. Johnson 147 downloads
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The Future of Astronomy Edward C. Pickering 145 downloads
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Le Système Solaire se mouvant (French) August Tischner 139 downloads
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Watchers of the Sky Alfred Noyes 136 downloads
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The Tides and Kindred Phenomena in the Solar System Sir George Howard Darwin 103 downloads
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Scientific Papers by Sir George Howard Darwin. Volume V. Supplementary Volume Sir George Howard Darwin 76 downloads
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Publications of the Astronomical Society of the Pacific, Volume 1 Astronomical Society of the Pacific 75 downloads