Sketches of the History of Man Considerably enlarged by the last additions and corrections of the author, edited and with an Introduction by James A. Harris (Indianapolis: Liberty Fund, 2007). 3 Vols. http://oll.libertyfund.org/titles/2031,
Written late in his life, this 3 volume work deals with the idea of human progress. Vol. 1 deals with progress in property law, commerce, the treatment of women, and luxury. Vol. 2 deals with the development of states, government, and taxation. Vol. 3 deals with the progress of science.
The copyright to this edition, in both print and electronic forms, is held by Liberty Fund, Inc.