be der Werke von Johannes KeplerJohannesKepler.Info Kepler information and community website, launched on December 27, 2009Harmonices mundi ("The Harmony of the Worlds") in fulltext facsimile; Carnegie-Mellon Universityසැකිල්ල:SEPDe Stella Nova in Pede Serpentarii සංරක්ෂණය කළ පිටපත 2017-12-20 at the Wayback Machine ("On the new star in Ophiuchus's foot") in full text facsimile at Linda Hall LibraryWalter W. Bryant. Kepler — ගුටෙන්බර්ග් ව්‍යාපෘතිය තුළ (1920 book, part of Men of Science series)Electronic facsimile-editions of the rare book collection at the Vienna Institute of Astronomyජොහන්නස් කෙප්ලර් at the Open Directory ProjectAudio – Cain/Gay (2010) Astronomy Cast Johannes Kepler and His Laws of Planetary MotionChristianson, Gale E., Kepler's Somnium: Science Fiction and the Renaissance ScientistKollerstrom, Nicholas, Kepler's Belief in AstrologyReferences for Johannes KeplerPlant, David, Kepler and the "Music of the Spheres"Kepler, Napier, and the Third Law at MathPag