A Discourse on the Study of the Law of Nature and Nations; Introductory to a Course of Lectures on That Science, to Be Commenced in Lincoln's Inn Hall, on Wednesday, Feb. 13, 1799, in Pursuance of an Order of the Honourable Society of Lincoln's Inn.

68 pp. A philosophical discussion of the principles underpinning the formation of a civilized society, the relationship between laws and morality, etc. Mackintosh was a Scottish jurist, Whig politician and Whig historian. This work, along with his 1791 reply to Edmund Burke's Reflections on the Revolution in France, propelled him to fame, and he later served as a judge, a member of Parliament, and a professor law and politics.