- Livre électroniqueTycho Brahe - The Nobel Astronomer - Including a History of Astronomy, a Biography of Brahe and his DiscoveriesVintage Astronomy Classics
- Livre électroniqueJohannes Kepler - Including a Brief History of Astronomy and the Life and Works of Johannes Kepler with Pictures and a Poem by Alfred NoyesVintage Astronomy Classics
- Livre électroniqueAstrology to Astronomy - The Study of the Night Sky from Ptolemy to Copernicus - With Biographies and IllustrationsVintage Astronomy Classics
- Livre électroniqueDistances of the Stars - And Other Essays on AstronomyCamille Flammarion
- Livre électroniqueIsaac Newton - A Biography of Newton Including Descriptions of his Greatest Discoveries - Including a Poem by Alfred Noyes and a Brief History AstronomyRead Books Ltd.