History & Surveys

On the Philosophy of Discovery, Chapters Historical and Critical

Christianity Unveiled

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

On Benefits (De Beneficiis)

On the Heavens

An Introduction to the Principles of Morals and Legislation

Organon — Prior Analytics

Proslogion

The Awakening of the Soul

Introduction to the Philosophy and Writings of Plato

Parmenides

Life and Matter: A Criticism of Professor Haeckel's “Riddle of the Universe”

Eryxias

De Amicitia, Scipio's Dream

The Characters of Theophrastus

A Compendium on the Soul

The Philosophy of Art

History of Modern Philosophy

Letters of Abelard and Heloise

The Philosophy of Auguste Comte