- A Philosophical Dictionary, Volume 1
- The Ruins, or, Meditation on the Revolutions of Empires and the Law of Nature
- Crime: Its Cause and Treatment
- Three Years’ War
- On Being Human
- Ethics — Part 1
- The Critique of Practical Reason
- Essays
- The Philosophy of Evolution
- Apology
- Morals in Trade and Commerce
- Politics: A Treatise on Government
- The Consolation of Philosophy
- The Golden Sayings of Epictetus
- The Royal Wedding - Official Souvenir Programme
- Crito
- A Lie Never Justifiable
- The Philosophy of Spinoza
- Practical Essays
- The Plain Man and His Wife
- The Investment of Influence
- The Positive School of Criminology
- Youth and Sex
- Criminal Sociology
- The Faith of Our Fathers
- The Friendships of Women
- Apology, Crito, and Phaedo of Socrates
- An Enquiry Concerning Human Understanding
- Notes from the Underground
- How to Observe
- Wear and Tear
- Lessons in Life, for All Who Will Read Them
- Homer and Classical Philology
- The Republic
- The Republic
- Statesman
- Sophist
- How to Marry Well
- Initiation into Philosophy
- The Unseen World and Other Essays
- The Basis of Morality
- The Memorable Thoughts of Socrates
- Herland
- Plutarch's Morals
- Thoughts out of Season Part I
- Levels of Living
- Utilitarianism
- A Essay Towards a New Theory of Vision
- The Map of Life
- The Ego and His Own
- The Destiny of Man
- Moral Philosophy
- Book of Wise Sayings
- The Physiology of Marriage, Part 2
- The Selections from the Principles of Philosophy
- Study of a Woman
- A Man's Value to Society
- Empire Builders
- Chinese Literature
- A System of Logic: Ratiocinative and Inductive
- Phaedrus
- Hinduism and Buddhism, An Historical Sketch, Vol. 1
- The Young Woman's Guide
- A Philosophical Dictionary, Volume 10
- The Philosophy of the Moral Feelings
- The Ethics of Aristotle
- Ethics — Part 2
- Secret Societies
- Atheism in Pagan Antiquity
- The Soul of Man under Socialism
- Liberalism
- Civil Disobedience
- A Short History of Greek Philosophy
- The Prince
- Social Justice Without Socialism
- Fundamental Principles of the Metaphysic of Morals
- Black Rebellion
- How To Behave: A Pocket Manual of Republican Etiquette, and Guide to Correct Personal Habits
- Bits about Home Matters
- Myth and Science
- When a Man Comes to Himself
- Categoriae. English
- Democracy and Social Ethics
- Laws
- Improvement of the Understanding
- A Treatise of Human Nature
- Theologico-Political Treatise — Part 4
- Seekers after God
- Poetics. English
- Essays
- Another Study of Woman
- Beyond Good and Evil
- Walden
- The Existence of God
- Ancient and Modern Celebrated Freethinkers
- The Law and the Word
- Feuerbach: The roots of the socialist philosophy
- The Heart of the New Thought
- Thus Spake Zarathustra
- The Critique of Pure Reason