- Poetics. English
- The Republic
- The Unseen World and Other Essays
- A Treatise of Human Nature
- The Investment of Influence
- Another Study of Woman
- Myth and Science
- Initiation into Philosophy
- Little Essays of Love and Virtue
- Laws
- The Basis of Morality
- A Lie Never Justifiable
- The Critique of Practical Reason
- Civil Disobedience
- The Young Woman's Guide
- Atheism in Pagan Antiquity
- Crime: Its Cause and Treatment
- The Child at Home
- The Philosophy of the Moral Feelings
- The Royal Wedding - Official Souvenir Programme
- The Prince
- Dialogues Concerning Natural Religion
- Hinduism and Buddhism, An Historical Sketch, Vol. 1
- The Ruins, or, Meditation on the Revolutions of Empires and the Law of Nature
- Plato and Platonism
- Youth and Sex
- Notes from the Underground
- A Short History of Greek Philosophy
- The Physiology of Marriage, Part 2
- A Philosophical Dictionary, Volume 1
- Apology
- Essays
- Beyond Good and Evil
- The Selections from the Principles of Philosophy
- The Selections from the Principles of Philosophy
- Morals in Trade and Commerce
- Essays
- Shorter Prose Pieces
- The Philosophy of Evolution
- The Critique of Pure Reason
- The Existence of God
- Seekers after God
- Improvement of the Understanding
- Walden
- Categoriae. English
- When a Man Comes to Himself
- Feuerbach: The roots of the socialist philosophy
- Hinduism and Buddhism, An Historical Sketch, Vol. 3
- Thus Spake Zarathustra
- Fantômas
- The Law and the Word
- Fundamental Principles of the Metaphysic of Morals
- Varieties of Religious Experience, a Study in Human Nature
- Ancient and Modern Celebrated Freethinkers
- The Metaphysical Elements of Ethics
- Hinduism and Buddhism, An Historical Sketch, Vol. 2
- The Map of Life
- Homer and Classical Philology
- Lessons in Life, for All Who Will Read Them
- How To Behave: A Pocket Manual of Republican Etiquette, and Guide to Correct Personal Habits
- Democracy and Social Ethics
- The Soul of Man under Socialism
- Sophist
- The Heart of the New Thought
- Statesman
- A Critical Examination of Socialism
- Two Thousand Miles on an Automobile
- Practical Essays
- The Ethics of Aristotle
- History of Human Society
- Criminal Sociology
- A Philosophical Dictionary, Volume 10
- The Golden Sayings of Epictetus
- The Positive School of Criminology
- Crito
- Apology, Crito, and Phaedo of Socrates
- A Philosophical Dictionary, Volume 4
- Theaetetus
- How to Observe
- Liberalism
- An Enquiry Concerning Human Understanding
- The Ego and His Own
- Book of Wise Sayings
- Chinese Literature
- Secret Societies
- The Consolation of Philosophy
- On Being Human
- Study of a Woman
- Ethics — Part 1
- Politics: A Treatise on Government
- A Man's Value to Society
- Essays of Schopenhauer
- The Physical Life of Woman:
- The Memorable Thoughts of Socrates
- How to Marry Well
- Utilitarianism
- The Destiny of Man
- Thoughts out of Season Part I
- Levels of Living
- A Essay Towards a New Theory of Vision