Published posthumously, the second edition of The Concept of Law contains one important addition to the first edition, a substantial Postscript, in which Hart reflects upon some of the central concerns that have been expressed about the book since its publication in 1961.
The Postscript is especially noteworthy because it contains Hart's only sustained response to the objections pressed by his foremost critic, Ronald Dworkin, who succeeded him to the Chair of Jurisprudence at Oxford. The Postscript focuses on a range of issues covering both Hart's substantive view and his methodological...