- Physiologie de l'amour moderne
- Plutarch's Morals
- A Man's Value to Society
- Study of a Woman
- Littérature et Philosophie mêlées
- The Ethics of Aristotle
- The Existence of God
- Myths and myth-makers
- Auguste Comte and Positivism
- Feuerbach: The roots of the socialist philosophy
- Walden
- Book of Wise Sayings
- Euthydemus
- A Philosophical Dictionary, Volume 4
- A Philosophical Dictionary, Volume 10
- A Short History of Greek Philosophy
- Liberalism
- The Destiny of Man
- Ethica. English
- The Essays of Arthur Schopenhauer; Religion, a Dialogue, Etc.
- Homer and Classical Philology
- Thoughts out of Season Part I
- The Soul of Man under Socialism
- The Heart of the New Thought
- Herland
- Chinese Literature
- L'homme Qui Rit
- Phaedrus
- Catherine De Medici
- History of Human Society
- How to Marry Well
- The Philosophy of the Moral Feelings
- Utilitarianism
- Essays of Schopenhauer
- Essays of Schopenhauer
- La culture des idées
- Moral Philosophy
- The Ego and His Own
- Levels of Living
- Sophist
- Ion
- Ethics — Part 1
- Women's Wild Oats
- Politics: A Treatise on Government
- The Critique of Practical Reason
- A Essay Towards a New Theory of Vision
- On Being Human
- The Essays of Arthur Schopenhauer; Studies in Pessimism
- A Lie Never Justifiable
- The Memorable Thoughts of Socrates
- Crime: Its Cause and Treatment
- The Royal Wedding - Official Souvenir Programme
- The Philosophy of Spinoza
- The Symposium
- Esprit des lois
- Notes from the Underground
- L'arte di prender marito
- Thus Spake Zarathustra
- Kritik der reinen Vernunft
- Youth and Sex
- A Treatise of Human Nature
- The Republic
- Initiation into Philosophy
- Philosophical Letters of Frederich Schiller
- The Golden Sayings of Epictetus
- The Basis of Morality
- Laws
- Improvement of the Understanding
- Criminal Sociology
- Atheism in Pagan Antiquity
- Civil Disobedience
- When a Man Comes to Himself
- Categoriae. English
- The Metaphysical Elements of Ethics
- The Young Woman's Guide
- Discours de la méthode
- The Prince
- How to Observe
- Ainsi Parlait Zarathoustra
- Apology, Crito, and Phaedo of Socrates
- Aphorismes sur la sagesse dans la vie
- The Law and the Word
- Aesthetical Essays of Frederich Schiller
- The Critique of Pure Reason
- How To Behave: A Pocket Manual of Republican Etiquette, and Guide to Correct Personal Habits
- An Enquiry Concerning Human Understanding
- Philebus
- Fundamental Principles of the Metaphysic of Morals
- Le féminisme français I
- Democracy and Social Ethics
- The Selections from the Principles of Philosophy
- Poetics. English
- The Investment of Influence
- The Physiology of Marriage, Part 2
- Shorter Prose Pieces
- A Philosophical Dictionary, Volume 1
- A Selection from the Discourses of Epictetus with the Encheiridion
- Essays
- Essays
- Apology