De Ateneo de Córdoba
- Who Was Jesus Christ, and What Did He Teach? (1860)
- A Plea for Atheism (1864)
- A Few Words About the Devil (1864)
- Humanity's Gain from Unbelief (1889)
- The Freethinker's Text-Book (1876)
- Man, Whence and How?
- Religion, What and Why?
- The Roberts-Bradlaugh Debate