- Essays on Mankind and Political Arithmetic
- The Essays of Arthur Schopenhauer; Religion, a Dialogue, Etc.
- Nisida
- How To Behave: A Pocket Manual of Republican Etiquette, and Guide to Correct Personal Habits
- Vindication of the Rights of Woman
- A Very Pleasaunt & Fruitful Diologe Called The Epicure
- A Philological Essay Concerning the Pygmies of the Ancients
- Fundamental Principles of the Metaphysic of Morals
- A System of Logic: Ratiocinative and Inductive
- Old-Fashioned Ethics and Common-Sense Metaphysics
- Study of a Woman
- Study of Child Life
- A Philosophical Dictionary, Volume 10
- Ethics — Part 5
- The Golden Sayings of Epictetus
- Auguste Comte and Positivism
- Literary and Philosophical Essays: French, German and Italian
- How to Observe
- A Philosophical Dictionary, Volume 4
- Insights and Heresies Pertaining to the Evolution of the Soul
- An Enquiry Concerning the Principles of Taste, and of the Origin of our Ideas of Beauty, etc.
- The Home
- A Guide to Methods and Observation in History
- Three Dialogues Between Hylas and Philonous
- On Compromise
- Querist
- The Ego and His Own
- Sanitary and Social Lectures and Essays
- Quotes and Images From The Confessions of J. J. Rousseau
- The Consolation of Philosophy
- Chinese Literature
- Discourse on the Method of Rightly Conducting One's Reason and of Seeking Truth in the Sciences
- A Essay Towards a New Theory of Vision
- The Essays of Arthur Schopenhauer; Studies in Pessimism
- The Essays of Arthur Schopenhauer; Studies in Pessimism
- Ethics — Part 1
- Essays of Schopenhauer
- Ethica. English
- Reflections; or Sentences and Moral Maxims
- Utilitarianism
- Letters to His Son on the Art of Becoming a Man of the World and a Gentleman, 1751
- On the Duty of Civil Disobedience
- The Symposium
- A Treatise of Human Nature
- The Preface to Aristotle's Art of Poetry
- Notes from the Underground
- The System of Nature, Volume 2
- The Philosophy of the Conditioned
- How to Tell Stories to Children, And Some Stories to Tell
- Pedagogics as a System
- The Physical Life of Woman:
- A Treatise Concerning the Principles of Human Knowledge
- Rollo's Philosophy. [Air]
- The Essays of Montaigne — Complete
- Politics: A Treatise on Government
- Among My Books
- The Prince
- The Critique of Practical Reason
- The Young Woman's Guide
- Creating Capital
- A General Plan for a Mail Communication by Steam, Between Great Britain and the Eastern and Western ...
- The System of Nature, Volume 1
- The Philosophy of Spinoza
- The Philosophy of the Moral Feelings
- Dialogues Concerning Natural Religion
- The Ruins, or, Meditation on the Revolutions of Empires and the Law of Nature
- Philosophical Letters of Frederich Schiller
- Ethics — Part 2
- The Child at Home
- Aeroplanes
- Civil Disobedience
- An Essay on the Principle of Population
- The Republic
- What is Property?
- The Selections from the Principles of Philosophy
- Studies in Pessimism
- Is Life Worth Living?
- The Philosophy of Evolution
- An Enquiry Concerning Human Understanding
- Essays
- The Faith of Our Fathers
- Letters to His Son on the Art of Becoming a Man of the World and a Gentleman, 1753-54
- Where We Live
- Essays
- An American Girl Abroad
- Improvement of the Understanding
- Ethics — Part 4
- Ethics — Part 3
- Guide to Stoicism
- Ethica
- The Critique of Pure Reason
- Aesthetical Essays of Frederich Schiller
- An Essay on Slavery and Abolitionism
- Some Private Views
- Beyond Good and Evil
- A Philosophical Dictionary, Volume 1
- Walden
- The Metaphysical Elements of Ethics
- The Existence of God
- Disputed Handwriting