History of Economic Thought | David Ricardo:Biography, works, and links.
Comparative Advantage: An article by the WTO on Samuelson's challenge.
David Ricardo: Synopsis of his major theories.
Economic theorists: David Ricardo: About the life and studies of David Ricardo. From the economy professor site.
Encyclopedia.com | Ricardo, David: Life and bibliography.
Modern History Sourcebook | The Iron Law of Wages: A selection from Ricardo's book, On Wages, describing the labor theory of value.
Ricardo on value: the three chapter ones: All three versions of the heavily revised first chapter of the book: On Value. From 1817, 1819 and 1821.
The Development of Ricardo's Theory of Value: An essay by Jacob Hollander in the Quarterly Journal of Economics.
The Principles of Political Economy and Taxation: Ricardo's 1817 work in full. Third edition.
The Theory of Comparative Advantage: A highlight on Ricardo's lasting contribution, as well as a biography/bibliography.
Works by Ricardo: "Essay on Profits" commenting on corn laws, and "The High Price of Bullion," on depreciation. Includes a bibliography and a PDF of the "Principles of Political Economy."