1. Two views of the nature of the theory of law : a partial comparison / Joseph Raz
2. Herbert Hart and the semantic sting / Timothy A O Endicott
3. Hart's semantics / Nicos Stavropoulos
4. Incorporationism, conventionality, and the practical difference thesis / Jules L Coleman
5. On Hart's way out / Scott J Shapiro
6. Legal conventionalism / Andrei Marmor
7. The Model of social facts / Benjamin C Zipursky
8. Law's claim of legitimate authority / Kenneth Einar Himma
9. Hart's methodological positivism / Stephen R Perry
10. Legal realism, hard positivism, and the limits of conceptual analysis / Brian Leiter
11. The Political question of the concept of law / Liam Murphy
12. Normative (or ethical) positivism, / Jeremy Waldron.