| Year | Title | Link |
|------|-------|------|
| 1596 | Mysterium Cosmographicum (The Cosmographic Mystery) | [Read Online](https://archive.org/details/1596-kepler-prodromus-dissertationum-cosmographicarum-continens-mysterium-cosmographicum) |
| 1604 | Astronomiae Pars Optica (The Optical Part of Astronomy) | [Read Online](https://archive.org/details/den-kbd-pil-210510004262-001) |
| 1606 | De Stella Nova in Pede Serpentarii (On the New Star in Ophiuchus's Foot) | [Read Online](https://archive.org/details/den-kbd-pil-220024004022-001) |
| 1609 | Astronomia Nova (New Astronomy) | [Read Online](https://archive.org/details/Astronomianovaa00Kepl) |
| 1610 | Dissertatio cum Nuncio Sidereo (Conversation with the Starry Messenger) | [Read Online](https://archive.org/details/ioanniskeplerima00kepl) |
| 1611 | Dioptrice (Dioptrics) | [Read Online](https://archive.org/details/DioptriceByJohannesKeplerAkaIoannisKepleri) |
| 1611 | Strena Seu de Nive Sexangula (A New Year's Gift of Hexagonal Snow) | [Read Online](https://archive.org/details/ioanniskepleriss00kepl) |
| 1615 | Nova Stereometria Doliorum Vinariorum (New Solid Geometry of Wine Barrels) | [Read Online](https://archive.org/details/den-kbd-pil-21009000066F-001) |
| 1617–1621 | Epitome Astronomiae Copernicanae (Epitome of Copernican Astronomy) | [Read Online](https://archive.org/details/epitomeastronomi02kepl) |
| 1619 | Harmonice Mundi (Harmony of the World) | [Read Online](https://library.si.edu/digital-library/book/ioanniskepplerih00kepl) |
| 1627 | Tabulae Rudolphinae (Rudolphine Tables) | [Read Online](https://archive.org/details/tabulaerudolphin00kepl) |
| 1634 (posthumous) | Somnium (The Dream) | [Read Online](https://archive.org/details/keplerssomniumdr0000kepl) |
