- Study of Child Life
- Ethics — Part 3
- A Guide to Methods and Observation in History
- The Critique of Pure Reason
- The Golden Sayings of Epictetus
- Discours de la méthode
- Insights and Heresies Pertaining to the Evolution of the Soul
- Fundamental Principles of the Metaphysic of Morals
- The Metaphysical Elements of Ethics
- Aphorismes sur la sagesse dans la vie
- How to Observe
- An Enquiry Concerning Human Understanding
- Discourse on the Method of Rightly Conducting One's Reason and of Seeking Truth in the Sciences
- Bits about Home Matters
- Wanted, a Young Woman to Do Housework
- Letters to His Son on the Art of Becoming a Man of the World and a Gentleman, 1751
- Essays on Mankind and Political Arithmetic
- The Philosophy of Evolution
- Essays
- How To Behave: A Pocket Manual of Republican Etiquette, and Guide to Correct Personal Habits
- A Philosophical Dictionary, Volume 1
- Letters to His Son on the Art of Becoming a Man of the World and a Gentleman, 1753-54
- The Consolation of Philosophy
- Ethics — Part 1
- Guide to Stoicism
- La philosophie sociale dans le theatre d'Ibsen
- De la littérature des nègres, ou Recherches sur leurs facultés intellectuelles, leurs qualités moral...
- An Enquiry Concerning the Principles of Taste, and of the Origin of our Ideas of Beauty, etc.
- The Existence of God
- A Further Contribution to the Study of the Mortuary Customs of the North American Indians
- Autour de la table
- Philosophical Letters of Frederich Schiller
- Walden
- An Essay on Slavery and Abolitionism
- An Essay on Slavery and Abolitionism
- The Home
- Notes from the Underground
- The Physiology of Marriage, Part 2
- Esprit des lois
- A Philosophical Dictionary, Volume 4
- Dialogues Concerning Natural Religion
- An Essay on the Principle of Population
- The Philosophy of Spinoza
- The Preface to Aristotle's Art of Poetry
- A Treatise of Human Nature
- Where We Live
- An Appeal in Favor of that Class of Americans Called Africans
- Studies in Pessimism
- A System of Logic: Ratiocinative and Inductive
- Civil Disobedience
- Improvement of the Understanding
- Ourika
- The Philosophy of the Moral Feelings
- A General Plan for a Mail Communication by Steam, Between Great Britain and the Eastern and Western ...
- The Prince
- Les Femmes de la Révolution
- Ethics — Part 2
- The Young Woman's Guide
- Creating Capital
- The Republic
- Utilitarianism
- The Child at Home
- Quotes and Images From The Confessions of J. J. Rousseau
- What is Property?
- Entretien d’un père avec ses enfants
- On the Duty of Civil Disobedience
- Is Life Worth Living?
- A Treatise Concerning the Principles of Human Knowledge
- Backlog Studies
- Beyond Good and Evil
- Ethics — Part 4
- Essays
- An American Girl Abroad
- The Selections from the Principles of Philosophy
- Aeroplanes
- Politics: A Treatise on Government
- The Critique of Practical Reason
- Letters on England
- Ethica. English
- Ethics — Part 5
- A Philosophical Dictionary, Volume 10
- Auguste Comte and Positivism
- Lives of Celebrated Women
- The Works of Lord Byron. Vol. 6
- Literary and Philosophical Essays: French, German and Italian
- The Symposium
- Petty Troubles of Married Life, Second Part
- The Ruins, or, Meditation on the Revolutions of Empires and the Law of Nature
- Dissertation on Slavery
- Thoughts on the Necessity of Improving the Condition of the Slaves in the British Colonies
- A Essay Towards a New Theory of Vision
- The Ego and His Own
- The System of Nature, Volume 1
- The Physical Life of Woman:
- Chinese Literature
- Old-Fashioned Ethics and Common-Sense Metaphysics
- How to Tell Stories to Children, And Some Stories to Tell
- L'homme Qui Rit
- Littérature et Philosophie mêlées
- No Compromise with Slavery