Dialogue Concerning the Two Chief World Systems, Ptolemaic and Copernican

Sidereus Nuncius or, the Sidereal Messenger

Selected writings

On sunspots

Sidereus nuncius

The essential Galileo

Thus spoke Galileo

Discoveries and opinions of Galileo

Pensieri

Dialogo dei massimi sistemi

Private Life of Galileo. Compiled Principally from His Correspondence and That of His Eldest Daughter, Sister Maria Celeste