Atheism

Hell: Warm Words on the Cheerful and Comforting Doctrine of Eternal Damnation

The Doubts of Infidels

Myths of Greece and Rome

Homeric Hymns

What is Christian Science

Is the Morality of Jesus Sound

The last age of the church

Letters to the Clergy on the Lord's Prayer and the Church

On the Prospects of Christianity

Mistakes of Moses

The Bible Unveiled

A Plausible God

End of a Road

God's Gravediggers

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

The Varieties of Nonreligious Experience

Darwinism. The Noachian Flood

Modern Rationalism