Ethics & Moral Philosophy

Is the Morality of Jesus Sound

The Inevitable Crimes of Celibacy

On Old Age – Cicero de Senectute

The Meaning of Good—A Dialogue

Philosophy of the Plan of Salvation: A Book for the Times

Reflections; or Sentences and Moral Maxims

The Sin and Danger of Self-Love

The Philosophy of Evolution

Of Consolation to Helvia

The Analogy of Religion to the Constitution and Course of Nature

Is Life Worth Living Without Immortality

The Essence of Hume's Philosophy

Professor Royce's Libel

The Complete Essays by Herbert Spencer (Vol. 1–3)

The Ghosts, and Other Lectures

Of Consolation: To Marcia

The Essays of Arthur Schopenhauer; the Art of Controversy

Considerations on Representative Government

The Ethics of Diet

Aristotle