Barnidge, R. (2012) Resistance movements. In: Max Planck Encyclopedia of Public International Law. Oxford University Press, Oxford, pp. 952-954. ISBN 9780199291687

Barnidge, R. (2012) A qualified defense of American drone attacks in northwest Pakistan under international humanitarian law. Boston University International Law Journal, 30 (2). pp. 410-447.

Barnidge, R. (2011) The principle of proportionality under international humanitarian law and operation cast lead. In: Banks, W. C. (ed.) New Battlefields/Old Laws: Critical Debates on Asymmetric Warfare. Columbia Studies in Terrorism and Irregular Warfare . Columbia University Press, pp. 171-189. ISBN 9780231152358

Barnidge, R. P. (2010) The Socratic method in the teaching of international law: an American perspective. In: Canadian Legal Education Annual Review 2010. Carswell, pp. 229-237. ISBN 9780779826322

Barnidge, R. P. (2010) Islam and international humanitarian law: a question of compatibility? Israel Yearbook on Human Rights, 40. pp. 257-274. ISSN 0333-5925

Barnidge, R. (2009) Neocolonialism and international law, with specific reference to customary counterterrorism obligations and the principle of self-defence. Indian Journal of International Law, 49 (1). pp. 21-36. ISSN 0019-5294

Barnidge, R. (2009) The United Nations and the African Union: Assessing a partnership for peace in Darfur. Journal of Conflict and Security Law, 14 (1). pp. 93-113. ISSN 1467-7954 doi: https://doi.org/10.1093/jcsl/krp013

Barnidge, R. (2009) War and peace: Negotiating meaning in Islam. In: Skelly, J. M. (ed.) Political Islam from Muhammad to Ahmadinejad: Defenders, Detractors, and Definitions. Praeger Security International, pp. 53-71. ISBN 9780313372230

Barnidge, R. (2008) Questioning the legitimacy of Jus Cogens in the global legal order. In: Israel Yearbook on Human Rights. Martinus Nijhoff, The Hague, pp. 199-225. ISBN 9789004173583

Barnidge, R. (2008) Terrorism: Arriving at an understanding of a term. In: 2006 Centre for Studies and Research in International Law and International Relations of The Hague Academy of International Law: Terrorism and International Law. Martinus Nijhoff , pp. 157-193.

Barnidge, R. (2008) War and Peace: Negotiating meaning in Islam. Critical Studies on Terrorism, 1 (2). pp. 263-78. ISSN 1753-9153 doi: https://doi.org/10.1080/17539150802184645

Barnidge, R. and Harvey, C. (2007) Human rights, free movement and the right to leave in international law. International Journal of Refugee Law, 19 (1). pp. 1-21. ISSN 0953-8186 doi: https://doi.org/10.1093/ijrl/eel025

Barnidge, R. (2007) Non-state actors and terrorism: Applying the Law of State responsibility and the due diligence principle. T.M.C. Asser Press, pp244. ISBN 9789067042598

Barnidge, R. (2007) Should national security trump human rights in the fight against terrorism. In: Israel Yearbook on Human Rights. Martinus Nijhoff, The Hague, pp. 85-114. ISBN 9789004162983