- The Caxtons — Volume 16
- Ethics — Part 1
- The Critique of Practical Reason
- Vaninka
- A Philosophical Dictionary, Volume 1
- The Prince
- Filosofía Fundamental
- On the Duty of Civil Disobedience
- Ethics — Part 5
- The Existence of God
- How to Observe
- Fundamental Principles of the Metaphysic of Morals
- The Metaphysical Elements of Ethics
- Discours de la méthode
- The Ego and His Own
- A Saudade
- A Philosophical Dictionary, Volume 4
- The Young Woman's Guide
- Filosofía Fundamental, Tomo I
- Ethics — Part 2
- The Philosophy of Spinoza
- The Philosophy of the Moral Feelings
- An Essay on the Principle of Population
- Esprit des lois
- Filosofía Fundamental, Tomo II
- Miragaia
- Essays on Mankind and Political Arithmetic
- Filosofía Fundamental, Tomo IV
- Studies in Pessimism
- De veritate religionis Christianae. French
- Beyond Good and Evil
- Betrachtungen über die Grundlagen der Philosophie
- Guide to Stoicism
- Politics: A Treatise on Government
- Improvement of the Understanding
- Ethics — Part 4
- Ethics — Part 3
- Study of a Woman
- An American Girl Abroad