books.google.co.inhttp://books.google.co.in/books/about/The_Collected_Works_of_Dugald_Stewart_Le.html?id=j1BYBVdTeNwC&q=afford&utm_source=gb-gplus-shareThe Collected Works of Dugald Stewart: Lectures on political economy ... To which is prefixed part third of the Outlines of moral philosophy. 1855.56