- The Philosophy of the Moral Feelings
- Phaedrus
- A philosophia da natureza dos naturalistas
- De Amicitia, Scipio's Dream
- Cratylus
- Thoughts out of Season Part I
- Beyond Good and Evil
- Essays of Schopenhauer
- De veritate religionis Christianae. French
- Laws
- Improvement of the Understanding
- The Selections from the Principles of Philosophy
- Essays
- Categoriae. English
- Catherine De Medici
- De profundis
- Experiments and Considerations Touching Colours (1664)
- Chinese Literature
- Plato and Platonism
- Euthydemus
- The Prince
- Relation de l'Islande
- Notes from the Underground
- The Republic
- A Philosophical Dictionary, Volume 4
- Civil Disobedience
- The Young Woman's Guide
- Walden
- Critias
- A Treatise Concerning the Principles of Human Knowledge
- The Existence of God
- Kritik der reinen Vernunft
- Thus Spake Zarathustra
- A Philosophical Dictionary, Volume 10
- A Philosophical Dictionary, Volume 10
- 王阳明全集
- Poetics. English
- 论语
- Feuerbach: The roots of the socialist philosophy
- A Treatise of Human Nature
- Shorter Prose Pieces
- A Philosophical Dictionary, Volume 1
- Lysis
- Ainsi Parlait Zarathoustra
- The Theological Tractates and The Consolation of Philosophy
- Discours de la méthode
- Aesthetical Essays of Frederich Schiller
- Fundamental Principles of the Metaphysic of Morals
- Parmenides
- Apology
- Filosofía Fundamental, Tomo I
- Philebus
- Ethica
- Phaedo
- The Essays of Montaigne — Volume 01
- The Metaphysical Elements of Ethics
- Crito
- Ancient and Modern Celebrated Freethinkers
- An Enquiry Concerning Human Understanding
- The Consolation of Philosophy
- Timaeus
- The Critique of Pure Reason
- The Golden Sayings of Epictetus
- Essays
- The Philosophy of Evolution
- Protagoras
- Meno
- Charmides
- Statesman
- A Selection from the Discourses of Epictetus with the Encheiridion
- Menexenus
- Apology, Crito, and Phaedo of Socrates
- Filosofía Fundamental, Tomo IV
- The Soul of Man under Socialism
- The Ethics of Drink and Other Social Questions
- Theaetetus
- Dialogues Concerning Natural Religion
- The Philosophy of Spinoza
- Gorgias
- The Memorable Thoughts of Socrates
- Auguste Comte and Positivism
- The Critique of Practical Reason
- Politics: A Treatise on Government
- Ethics — Part 1
- The Ethics of Aristotle
- Sophist
- Littérature et Philosophie mêlées
- The Essays of Arthur Schopenhauer; Studies in Pessimism
- Ion
- The Destiny of Man
- 道德经
- Homer and Classical Philology
- The Unseen World and Other Essays
- Book of Wise Sayings
- The Holy war, made by King Shaddai upon Diabolus, for the regaining of the metropolis of the world; ...
- Ethica. English
- The Ego and His Own
- The Map of Life
- A Essay Towards a New Theory of Vision
- Utilitarianism