Adam Smith (1869). “Essays On, I. Moral Sentiments: II. Astronomical Inquiries; III. Formation of Languages; IV. History of Ancient Physics; V. Ancient Logic and Metaphysicis; VI. The Imitative Arts; VII. Music, Dancing, Poetry; VIII. The External Senses; IX. English and Italian Verses”, p.57
Adam Smith (1843). “An Inquiry Into the Nature and Causes of the Wealth of Nations With a Life of the Author: Also a View of the Doctrine of Smith, Compared with that of the French Economists, with a Method of Facilitating the Study of His Works, from the French of M. Jariner”, p.142
Adam Smith (1843). “An Inquiry Into the Nature and Causes of the Wealth of Nations With a Life of the Author: Also a View of the Doctrine of Smith, Compared with that of the French Economists, with a Method of Facilitating the Study of His Works, from the French of M. Jariner”, p.177