Library of Economics and Liberty

This library is "dedicated to advancing the study of economics, markets, and liberty." As such, they offer books, the "Concise Encyclopedia of Economics," various articles and columns, and special topics. All material is freely available, searchable, and proofread. Many classic books are here, including such authors as Benthan, Hume, Knight, Malthus, Marshall, Mill, Ricardo, Say, and Smith, as well as more recent works, such as the collected works of James Buchanan. The books are in a format particularly suited for the Internet.

http://www.econlib.org/