First Editions of Philosophy Books

I happen to be interested in first editions (and rare editions) works of philosophy, especially works of moral philosophy that I write about and that I teach. Here are some of my favorites from my collection.

1. John Locke, An Essay Concerning Humane Understanding, 1705 (sixth and posthumous edition)

2. Immanuel Kant, Grundlegung zur Metaphysik der Sitten (Groundwork of the Metaphysics of Morals), 1785 (first edition) 

3. Immanuel Kant, Die Metaphysik der Sitten (The Metaphysics of Morals), 1797 (first edition - two parts)

4. Immanuel Kant, Über ein Vermeintes Recht aus Menschenliebe zu Lügen (On A Supposed Right to Lie from Human Kindness), 1838 (scholarly printing)

5. John Stuart Mill, On Liberty, 1859 (first edition)

6. John Stuart Mill, Utilitarianism, 1861 (first printing in Frasier's Magazine For Town and Country)

7. John Stuart Mill, Utilitarianism, 1863 (first edition)

8. Henry Sidgwick, The Methods of Ethics, 1874 (first edition)

9. Henry Sidgwick, Outlines of the History of Ethics, 1886 (first edition)

10. Henry Sidgwick, The Methods of Ethics, 1907 (seventh and final edition)

11. G. E. Moore, Principia Ethica, 1903 (first edition)

12. G. E. Moore, Ethics, 1912 (first edition)

13. W. D. Ross, The Right and the Good, 1930 (first edition)

14. A. J. Ayer, Language, Truth and Logic, 1936 (first edition) (2 copies)

15. A. J. Ayer, Language, Truth and Logic, 1936 (U.S. first edition)

16. A. J. Ayer, Language, Truth and Logic, 1946 (U.S. 2nd edition)

17. Jean-Paul Sartre, Le Mur (The Wall), 1937 (in La Nouvelle Revue Française)

18. Charles L. Stevenson, Ethics and Language, 1944 (first edition) (also, second edition in 1946)

19. J. J. C. Smart, An Outline of a System of Utilitarianism, 1961 (first edition)