Atheism

God's Gravediggers

A Plausible God

What Is God? Can Religion be Modeled

A Handbook of Freethought Containing in Condensed and Systematized Form a Vast Amount of Evidence Against the Superstitious Doctrines of Christianity

Ecce Homo! Or, A Critical Inquiry into the History of Jesus of Nazareth

An Irish Precursor of Dante

The Character of the Jew Books

Why I Do Not Believe in God