Rationalism

Superstition In All Ages

Modern Rationalism

The Story of My Mind; Or, How I Became a Rationalist

Meditations on First Philosophy

Prisoner for Blasphemy

Why I Do Not Believe in God

Why I Do Not Believe in God

Christianity Unveiled

The Awakening of the Soul

The Gods

Rules for the Direction of the Mind

Leibniz's New Essays Concerning the Human Understanding: A Critical Exposition