- Insights and Heresies Pertaining to the Evolution of the Soul
- Filosofía Fundamental, Tomo II
- Essays
- An Enquiry Concerning Human Understanding
- Letters to His Son on the Art of Becoming a Man of the World and a Gentleman, 1753-54
- The Faith of Our Fathers
- Studies in Pessimism
- On Compromise
- The Philosophy of Evolution
- Discourse of the Life and Character of the Hon. Littleton Waller Tazewell
- Achtundvierzig Briefe von Johann Gottlieb Fichte und seinen Verwandten
- The Golden Sayings of Epictetus
- Three Dialogues Between Hylas and Philonous
- L'homme Qui Rit
- The Consolation of Philosophy
- A Essay Towards a New Theory of Vision
- Discourse on the Method of Rightly Conducting One's Reason and of Seeking Truth in the Sciences
- A Philosophical Dictionary, Volume 1
- Old-Fashioned Ethics and Common-Sense Metaphysics
- The Ego and His Own
- 鬼谷子
- Letters to His Son on the Art of Becoming a Man of the World and a Gentleman, 1751
- Fundamental Principles of the Metaphysic of Morals
- The Holy war, made by King Shaddai upon Diabolus, for the regaining of the metropolis of the world; ...
- The Critique of Pure Reason
- The Metaphysical Elements of Ethics
- A Review of Edwards's
- A Treatise Concerning the Principles of Human Knowledge
- Literary and Philosophical Essays: French, German and Italian
- Evening Round Up
- Walden
- The Essays of Arthur Schopenhauer; Religion, a Dialogue, Etc.
- Auguste Comte and Positivism
- The System of Nature, Volume 2
- The System of Nature, Volume 2
- The Existence of God
- Guide to Stoicism
- The System of Nature, Volume 1
- Littérature et Philosophie mêlées
- Politics: A Treatise on Government
- The Critique of Practical Reason
- Ethics — Part 4
- The Prince
- Theodicy
- Novelas de Voltaire — Tomo Primero
- Ethics — Part 3
- Betrachtungen über die Grundlagen der Philosophie
- How To Behave: A Pocket Manual of Republican Etiquette, and Guide to Correct Personal Habits
- The Republic
- How to Observe
- A Philosophical Dictionary, Volume 10
- Civil Disobedience
- The Uncollected Writings of Thomas de Quincey—Vol. 1
- The Ruins, or, Meditation on the Revolutions of Empires and the Law of Nature
- Ethics — Part 5
- Is Life Worth Living?
- Ethics — Part 2
- Utilitarianism
- The Philosophy of the Moral Feelings
- Querist
- The Young Woman's Guide
- Essays
- Beyond Good and Evil
- The Selections from the Principles of Philosophy
- Quotes and Images From The Confessions of J. J. Rousseau
- Chinese Literature
- Aesthetical Essays of Frederich Schiller
- The Physiology of Marriage, Part 2
- Improvement of the Understanding
- The Commonwealth of Oceana
- On the Duty of Civil Disobedience
- An Attic Philosopher in Paris — Volume 3
- Essays of Schopenhauer
- Reflections; or Sentences and Moral Maxims
- Ethica
- Ethica. English
- The Philosophy of the Conditioned
- Some Private Views
- Rollo's Philosophy. [Air]
- Philosophical Letters of Frederich Schiller
- The Philosophy of Spinoza
- The Essays of Montaigne — Complete
- A Treatise of Human Nature
- Dialogues Concerning Natural Religion
- Review of the Work of Mr John Stuart Mill Entitled, 'Examination of Sir William Hamilton's Philosoph...
- Entretien d’un père avec ses enfants
- The Symposium
- Theologico-Political Treatise — Part 4
- Ethics — Part 1
- 论语
- Pedagogics as a System
- A System of Logic: Ratiocinative and Inductive
- Experiments and Considerations Touching Colours (1664)
- 菜根谭
- Catherine De Medici
- A Philosophical Dictionary, Volume 4
- The Essays of Arthur Schopenhauer; Studies in Pessimism
- An Enquiry Concerning the Principles of Taste, and of the Origin of our Ideas of Beauty, etc.
- The Preface to Aristotle's Art of Poetry
- La monadologie (1909)