part Part I Ancient-Medieval chapter 1 Victor Alonso (2007), ' War, Peace, and International Law in Ancient Greece', in K.A. Raaflaub (ed.), War and Peace in the Ancient World, New York: John Wiley & Sons, pp. 206-25 chapter 2 Joachim von Elbe (1939), 'The Evolution of the Concept of the Just War in International Law', American Journal of International Law, 33, pp. 665-88 chapter 3 Bassam Tibi (1996), 'War and Peace in Islam', in T. Nardin (ed.), The Ethics of War and Peace, New Jersey: Princeton University Press, pp. 128-45 part Part II League of Nations Era chapter 4J.L. Brierly (1930-32), 'International Law and Resort to Armed Force', Cambridge Law Journal, 4, pp. 308-19 chapter 5 Arnold D. McNair (1936), 'Collective Security', British Yearbook of International Law, 17, pp. 150-64 part Part III United Nations Era chapter 6 Hans Kelsen (1948), 'Collective Security and Collective Self-Defense under the Charter of the United Nations', American Journal of International Law, 42, pp. 783-96 chapter 7 Josef L. Kunz (1951), 'Bellum Justum and Bellum Legale', American Journal of International Law, 45, pp. 528-34 chapter 8 Thomas M. Franck (1970), 'Who Killed Art. 2(4)? Or: Changing Norms Governing the Use of Force by States', American Journal of International Law, 64, pp. 809-37 chapter 9 Louis Henkin (1971), 'The Reports of the Death of Article 2(4) Are Greatly Exaggerated', American Journal of International Law, 65, pp. 544-48 chapter 10 Oscar Schachter (1986), 'In Defense of International Rules on the Use of Force', University of Chicago Law Review, 53, pp. 113-46 chapter 11 Jean Combacau (1986), 'The Exception of Self-Defence in U.N. Practice', in A. Cassese (ed.), The Current Legal Regulation of the Use of Force, Boston, MA: M. Nijhoff, pp. 9-38 chapter 12 derek Bowett (1972), 'Reprisals Involving Recourse to Armed Force', American Journal of International Law, 66, pp. 1-36 chapter 13 Roberto Barsotti (1986), 'Armed Reprisals', in A. Cassese (ed.), The Current Legal Regulation of the Use of Force, Boston, MA: M. Nijhoff, pp. 79-110 part Part IV Terrorism, Weapons of Mass Destruction and Information Warfare chapter 14 Abraham D. Sofaer (2003), 'On the Necessity of Pre-emption', European Journal of International Law, 14, pp. 209-26 chapter 15 Christopher Greenwood (2003), 'International Law and the Pre-emptive Use of Force: Afghanistan, Al-Qaida, and Iraq', San Diego International Law Journal, 4, pp. 7-37 chapter 16 Christian J. Tams (2009), 'The Use of Force against Terrorists', European Journal of International Law, 20, pp. 359-97 chapter 17 Michael N. Schmitt (1998-99), 'Computer Network Attack and the Use of Force in International Law: Thoughts on a Normative Framework', Columbia Journal of Transnational Law, 37, pp. 885-937 chapter 18 Christopher C. Joyner and Catherine Lotrionte (2001), 'Information Warfare as International Coercion: Elements of a Legal framework', European Journal of International Law, 12, pp. 825-65 part Part V Humanitarian Intervention and the Responsibility to Protect chapter 19 Jean-Pierre L. Fonteyne (1973-74), 'The Customary International Law Doctrine of Humanitarian Intervention: Its Current Validity under the U.N. Charter', California Western International Law Journal, 4, pp. 203-70 chapter 20 Terry D. Gill (2004), 'Humanitarian Intervention: Legality, Justice and Legitimacy', Global Community, 4, pp. 51-75 chapter 21 Spencer Zifcak (2009), 'The Responsibility to Protect', in United Nations Reform: Heading North or South?, London: Routledge, pp. 105-27, 200 chapter 22 Carlo Focarelli (2008), 'The Responsibility to Protect Doctrine and Humanitarian Intervention: Too Many Ambiguities for a Working Doctrine', Journal of Conflict and Security Law, 13, pp. 191-213.