1. Alexander Orakhelashvili, Peremptory Norms in International Law (Oxford: Oxford University Press, 2006).
2. Naomi Roht-Arriaza and Javier Mariezcurrena (eds.), Transitional Justice in the Twenty-First Century: Beyond Truth versus Justice (Cambridge: Cambridge University Press, 2006).
3. Margaret Young (ed.), Regime Interaction in International Law: Facing Fragmentation. (Cambridge: Cambridge University Press, 2006).
4. James Crawford and Penelope Neville, “Relations between International Courts and Tribunals: The ‘Regime Problem’,” in Regime Interaction in International Law: Facing Fragmentation, ed. Margaret A. Young (Cambridge: Cambridge University Press, 2012).
5. Jeffrey L. Dunoff, “A new approach to regime interaction” in Regime Interaction in International Law: Facing Fragmentation, ed. Margaret A. Young (Cambridge: Cambridge University Press, 2012).