Barker, JC., Van Der Wilt, H and Myers, B (2018). Substantive International Criminal Law. in: Nollkaemper, A, Reinisch, A, Janik, R and Simlinger, F (ed.) International Law in Domestic Courts Oxford Oxford University Press. pp. 542-576
Barker, JC. (2017). In Praise of a Self-Contained Regime: Why the Vienna Convention on Diplomatic Relations Remains Important Today. in: Behrens, P (ed.) Diplomatic Law in a New Millennium Oxford Oxford University Press. pp. 23-42
Barker, JC. (2015). Shared foundations and conceptual differentiation in immunities from jurisdiction. in: Orakhelashvili, A (ed.) Research Handbook on Jurisdiction and Immunities in International Law Cheltenham Edward Elgar Publishing. pp. 185-204
Barker, JC. (2014). Who cares? Dag Hammarskjold and the limits of responsibility in international law. in: Stahn, C and Melber, H (ed.) Peace diplomacy, global justice and international agency: rethinking human security and ethics in the spirit of Dag Hammarskjöld Cambridge Cambridge University Press. pp. 508-535
Barker, JC. (2014). The teaching of international law: fragmentation or cohesion? in: Anderson, R, Chalmers, J and Macleod, J (ed.) Glasgow Tercentenary Essays: 300 Years of the School of Law Glasgow Avizandum Publishing.
Barker, JC. (2014). The Pinochet judgment fifteen years on. in: Green, J and Waters, C (ed.) Adjudicating International Human Rights: Essays in Honour of Sandy Ghandhi Leiden, The Netherlands Brill. pp. 50-68