- The Metaphysical Elements of Ethics
- Beyond Good and Evil
- Creating Capital
- Wanted, a Young Woman to Do Housework
- Essays
- A General Plan for a Mail Communication by Steam, Between Great Britain and the Eastern and Western ...
- Filosofía Fundamental
- The Critique of Pure Reason
- Abélard, Tome II
- The Golden Sayings of Epictetus
- Essays
- Is Life Worth Living?
- 文中子中说
- Essays of Schopenhauer
- The Holy war, made by King Shaddai upon Diabolus, for the regaining of the metropolis of the world; ...
- Quotes and Images From The Confessions of J. J. Rousseau
- L'homme Qui Rit
- Voices; Birth-Marks; The Man and the Elephant
- The Selections from the Principles of Philosophy
- Catherine De Medici
- 莊子的故事
- Improvement of the Understanding
- A Philosophical Dictionary, Volume 1
- 文中子中說
- Fundamental Principles of the Metaphysic of Morals
- Aphorismes sur la sagesse dans la vie
- Where We Live
- The Philosophy of Evolution
- Banquet du 17 janvier 1841
- Aesthetical Essays of Frederich Schiller
- A Essay Towards a New Theory of Vision
- Achtundvierzig Briefe von Johann Gottlieb Fichte und seinen Verwandten
- Achtundvierzig Briefe von Johann Gottlieb Fichte und seinen Verwandten
- Filosofía Fundamental, Tomo I
- Ethica. English
- Träume eines Geistersehers, erläutert durch Träume der Metaphysik
- The Ego and His Own
- The History of Puerto Rico
- Ethica
- The Dodd Family Abroad, Vol. II
- On the Duty of Civil Disobedience
- The Physiology of Marriage, Part 2
- Walden
- The Philosophy of Spinoza
- Philosophical Letters of Frederich Schiller
- A System of Logic: Ratiocinative and Inductive
- The Physical Life of Woman:
- Literary and Philosophical Essays: French, German and Italian
- Rollo's Philosophy. [Air]
- Auguste Comte and Positivism
- Kritik der reinen Vernunft
- The Existence of God
- A Philosophical Dictionary, Volume 10
- The Critique of Practical Reason
- A Philological Essay Concerning the Pygmies of the Ancients
- 论语
- Letters on England
- A Treatise of Human Nature
- Ethics — Part 1
- Study of a Woman
- Speech of Mr. Cushing, of Massachusetts, on the Right of Petition,
- Politics: A Treatise on Government
- Essays on Mankind and Political Arithmetic
- Beantwortung der Frage: Was ist Aufklärung?
- Guide to Stoicism
- Ceci n'est pas un conte
- An American Girl Abroad
- How to Tell Stories to Children, And Some Stories to Tell
- Peace with Mexico
- How to Observe
- Experiments and Considerations Touching Colours (1664)
- Chinese Literature
- Betrachtungen über die Grundlagen der Philosophie
- Autour de la table
- 列女传
- The Prince
- How To Behave: A Pocket Manual of Republican Etiquette, and Guide to Correct Personal Habits
- Studies in Pessimism
- What is Property?
- A Guide to Methods and Observation in History
- L’Ingénu
- Notes from the Underground
- Study of Child Life
- The Essays of Arthur Schopenhauer; Religion, a Dialogue, Etc.
- A Philosophical Dictionary, Volume 4
- Filosofía Fundamental, Tomo II
- The Republic
- The Home
- The Child at Home
- Petty Troubles of Married Life, Second Part
- Civil Disobedience
- The Philosophy of the Moral Feelings
- Insights and Heresies Pertaining to the Evolution of the Soul
- Dialogues Concerning Natural Religion