- Phaedo
- Essays
- The Consolation of Philosophy
- Protagoras
- Meno
- On Being Human
- Ethics — Part 1
- The Essays of Arthur Schopenhauer; Studies in Pessimism
- Criminal Sociology
- Politics: A Treatise on Government
- The Critique of Practical Reason
- L'homme Qui Rit
- Crime: Its Cause and Treatment
- The Golden Sayings of Epictetus
- Apology, Crito, and Phaedo of Socrates
- The Royal Wedding - Official Souvenir Programme
- The Philosophy of Spinoza
- Philosophical Letters of Frederich Schiller
- Crito
- Kritik der reinen Vernunft
- Notes from the Underground
- History of Human Society
- An Enquiry Concerning Human Understanding
- Youth and Sex
- A Treatise of Human Nature
- Democracy and Social Ethics
- The Soul of Man under Socialism
- The Heart of the New Thought
- Liberalism
- Träume eines Geistersehers, erläutert durch Träume der Metaphysik
- How To Behave: A Pocket Manual of Republican Etiquette, and Guide to Correct Personal Habits
- The Investment of Influence
- Anarchism and Socialism
- Ainsi Parlait Zarathoustra
- Ainsi Parlait Zarathoustra
- A Treatise Concerning the Principles of Human Knowledge
- The Mechanism of the Human Voice
- A Selection from the Discourses of Epictetus with the Encheiridion
- Feuerbach: The roots of the socialist philosophy
- Poetics. English
- Laws
- Improvement of the Understanding
- Categoriae. English
- The Critique of Pure Reason
- When a Man Comes to Himself
- The Existence of God
- Apology
- Myth and Science
- Timaeus
- The Metaphysical Elements of Ethics
- Ancient and Modern Celebrated Freethinkers
- A Philosophical Dictionary, Volume 1
- Discours de la méthode
- The Physiology of Marriage, Part 2
- Our Fathers Have Told Us
- Fundamental Principles of the Metaphysic of Morals
- Walden
- Thus Spake Zarathustra
- Philebus
- Ethica
- The Law and the Word
- The Selections from the Principles of Philosophy
- Moral Philosophy
- Quotes and Images From The Confessions of J. J. Rousseau
- A Short History of Greek Philosophy
- Book of Wise Sayings
- Secret Societies
- Thoughts out of Season Part I
- Shorter Prose Pieces
- Beyond Good and Evil
- Phaedrus
- Essays
- Myths and myth-makers
- Chinese Literature
- Study of a Woman
- Atheism in Pagan Antiquity
- The Prince
- The Philosophy of the Moral Feelings
- The Young Woman's Guide
- Hinduism and Buddhism, An Historical Sketch, Vol. 1
- The Republic
- Ethics — Part 2
- Civil Disobedience
- A Philosophical Dictionary, Volume 4
- The Essays of Arthur Schopenhauer; Religion, a Dialogue, Etc.
- Sophist
- Homer and Classical Philology
- Statesman
- The Ethics of Aristotle
- Catherine De Medici
- Ion
- How to Marry Well
- Ethica. English
- Essays of Schopenhauer
- The Memorable Thoughts of Socrates
- The Destiny of Man
- The Map of Life
- The Ego and His Own
- A Essay Towards a New Theory of Vision
- Utilitarianism