- De profundis
- Ainsi Parlait Zarathoustra
- Poetics. English
- La monadologie (1909)
- Catherine De Medici
- A Treatise of Human Nature
- The Republic
- Antoinette de Mirecourt
- Entretien d’un père avec ses enfants
- How to Marry Well
- Laws
- The Unseen World and Other Essays
- Another Study of Woman
- Essays
- Dialogues Concerning Natural Religion
- A Lie Never Justifiable
- The Philosophy of the Moral Feelings
- The Philosophy of Spinoza
- Civil Disobedience
- The Young Woman's Guide
- Ethics — Part 2
- Notes from the Underground
- The Child at Home
- Esprit des lois
- The Mechanism of the Human Voice
- The Prince
- L’Ingénu
- The Dark House
- The Philosophy of Evolution
- A Philosophical Dictionary, Volume 1
- The Physiology of Marriage, Part 2
- Ethics — Part 4
- De la littérature des nègres, ou Recherches sur leurs facultés intellectuelles, leurs qualités moral...
- Essays
- Essays
- The Selections from the Principles of Philosophy
- De veritate religionis Christianae. French
- Beyond Good and Evil
- Apology
- Feuerbach: The roots of the socialist philosophy
- Philosophie de la Liberté (Tome I)
- Des homicides commis par les aliénés
- The Existence of God
- Improvement of the Understanding
- Walden
- Our Fathers Have Told Us
- Categoriae. English
- Discours de la méthode
- The Metaphysical Elements of Ethics
- Fundamental Principles of the Metaphysic of Morals
- Thus Spake Zarathustra
- The Critique of Pure Reason
- Regrets sur ma vieille robe de chambre
- How To Behave: A Pocket Manual of Republican Etiquette, and Guide to Correct Personal Habits
- Sophist
- The Map of Life
- Homer and Classical Philology
- Letters to His Son on the Art of Becoming a Man of the World and a Gentleman, 1751
- Lessons in Life, for All Who Will Read Them
- The Essays of Arthur Schopenhauer; Religion, a Dialogue, Etc.
- L'homme Qui Rit
- The Soul of Man under Socialism
- Ethics — Part 5
- The Ethics of Aristotle
- A Philosophical Dictionary, Volume 10
- The Golden Sayings of Epictetus
- Projet d'une loi portant défense d'apprendre à lire aux femmes
- Ethics — Part 3
- Les femmes d'artistes
- A Young Hero
- Ceci n'est pas un conte
- Autour de la table
- Catéchisme libertin
- An Enquiry Concerning Human Understanding
- A Philosophical Dictionary, Volume 4
- Réflexions ou sentences et maximes morales
- Apology, Crito, and Phaedo of Socrates
- The Friendships of Women
- Book of Wise Sayings
- The Ego and His Own
- Ethics — Part 1
- Study of a Woman
- Secret Societies
- Chinese Literature
- Politics: A Treatise on Government
- The Critique of Practical Reason
- Quotes and Images From The Confessions of J. J. Rousseau
- Abélard, Tome II
- Le positivisme anglais
- The Memorable Thoughts of Socrates
- Littérature et Philosophie mêlées
- Advice to a Young Man upon First Going to Oxford
- The Physical Life of Woman:
- Les Femmes de la Révolution
- Thoughts out of Season Part I
- Utilitarianism
- A Essay Towards a New Theory of Vision
- The Destiny of Man
- De l'importance des livres de raison
- Ethica. English