Books about Ethics (sorted alphabetically)
- Life and destiny Felix Adler
- Manual of Moral Philosophy Andrew P. Peabody
- Meditations Emperor of Rome Marcus Aurelius
- Meditations of the Emperor Marcus Aurelius Antoninus Emperor of Rome Marcus Aurelius
- Metaphysical Elements of Ethics Immanuel Kant
- Methods of Ethics Henry Sidgwick
- Moral Economy Ralph Barton Perry
- Morality as a Religion W. R. Washington Sullivan
- Morality Without God M. M. Mangasarian
- Moral Philosophy: Ethics, Deontology and Natural Law Joseph Rickaby
- Moral Science; a Compendium of Ethics Alexander Bain
- Moral social : apreciación de Hostos (Spanish) Eugenio María de Hostos
- Nature of Goodness George Herbert Palmer
- On the Ethics of Naturalism W. R. Sorley
- origin and development of the moral ideas Edward Westermarck
- Origin of the Knowledge of Right and Wrong Franz Brentano
- Outlines of a Critical Theory of Ethics John Dewey
- Parallel Paths: A Study in Biology, Ethics, and Art T. W. Rolleston
- Philosophy of the Moral Feelings John Abercrombie
- Philosophy of the Practical: Economic and Ethic Benedetto Croce
- Practical Ethics William De Witt Hyde
- Principia Ethica G. E. Moore
- Problems of Conduct: An Introductory Survey of Ethics Durant Drake
- Recent Tendencies in Ethics W. R. Sorley
- Ruines, ou méditation sur les révolutions des empires (French) C.-F. Volney