- Alphabeto delle lettere majuscole e minuscole con alquante osservationi (alphabet book, written in 1609 and published posthumously in 1620)
Letters:
- "Lettera d'un filosofo ad un matematico" on the motion of the Earth, addressed to Galileo Galilei (written in 1615 and published posthumously in 1636 as an appendix to Galileo's "Dialogo sopra i due massimi sistemi del mondo")
Manuscripts:
- "De motibus stellarum" (on stellar motions)
- "De cometis" (on comets)
- "De mundo" (on the world)
- "In libros Aristotelis de Caelo et Mundo" (on Aristotle's books on the heavens and the world)
- "In libros Aristotelis de Generatione et Corruptione" (on Aristotle's books on generation and corruption)