Modern

Philosophical Letters: or, modest Reflections upon some Opinions in Natural Philosophy

History of Modern Philosophy

The Methods of Ethics

Egotism in German Philosophy

The Philosophy of Auguste Comte

Concord Days

Introducing Moriarty

On the Sublime and Beautiful

The Society of the Spectacle

Thomas Reid

Three Lectures on Aesthetic

An Introduction to the Principles of Morals and Legislation

Hegel on Self-Consciousness

Transcendentalism in New England

Religion and Science from Galileo to Bergson

A Review of the Systems of Ethics Founded on the Theory of Evolution

Philosophy in the Last Forty Years

Ethics and Modern Thought: A Theory of Their Relations

The Friends of Voltaire

Theoretical Ethics