books.google.com - The letters in this volume continue to cover Ricardo's correspondence while a member of the House of Commons and provide subtle refinements and elaborations to his political economic thoughts. This volume includes a complete index to volumes 6 through 9, which contain Ricardo's correspondence. The index...http://books.google.com/books/about/The_Works_and_Correspondence_of_David_Ri.html?id=Oe88AAAAIAAJ&utm_source=gb-gplus-shareThe Works and Correspondence of David Ricardo
