Renaissance

A Brief History of Modern Philosophy

Superstition In All Ages

The Scientific Basis of Morals, and Other Essays

A Plea for Atheism

An Inquiry into the Human Mind: On the Principles of Common Sense

A Grammar of Freethought

The Philosophy of the Practical: Economic and Ethic

Meno

Christianity Unveiled

Modern Rationalism

Essays in Rationalism

The Observations of Professor Maturin

Maxims and Reflections

Bacon's Essays, and Wisdom of the Ancients

Good Sense

Letters to Eugenia; Or, A Preservative Against Religious Prejudices

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

From Rome to Rationalismor: Why I Left the Church

The Complete Works of David Hume

On the Improvement of the Understanding