Campaign for Nuclear Disarmament
www.cnduk.org/
Home page of the well-known British anti-nuclear weapons campaign, including details of their current initiatives.
Catholic Teaching Concerning a Just War
http://catholicism.org/catholic-teaching-just-war.html
A resource on the Catholic roots of just war theory, and the development of Catholic thinking on war.
Ethics Guide: Ethics of War (BBC)
http://www.bbc.co.uk/ethics/war/
The BBC’s online introduction to the ethics of war. Largely lacking in the level of detail required for university scholarship, but the page does include a useful comparison of the perspectives on war of the major world religions.
Human Rights Watch
www.hrw.org/
Home page of the prominent New York-based non-governmental organization, with links to their reports on human rights violations in conflict zones around the world.
Jeff McMahan
http://jeffersonmcmahan.com
McMahan is a highly influential writer on war, whose publications on the topic go back about 30 years. A great many of them are available here, on his personal web page.
Law of Armed Conflict
www1.umn.edu/humanrts/instree/auoy.htm
Access to the texts of various international conventions, protocols, and so on relating to the waging of war, from the University of Minnesota's Human Rights Library.
Michael Walzer (New Republic)
http://www.newrepublic.com/authors/michael-walzer
Links to Walzer’s articles on war for New Republic, of which he is a contributing editor.
Philosophy Bites
philosophybites.com/2009/11/jeff-mcmahan-on-killing-in-war.html
philosophybites.com/2008/03/richard-norman.html
philosophybites.com/2011/01/c%C3%A9cile-fabre-on-cosmopolitanism-and-war.html
http://philosophybites.com/2014/07/sparing-civilians-in-war.html
Podcasts with philosophers Jeff McMahan, Richard Norman, Cécile Fabre, and Seth Lazar, on various aspects of the ethics of war.
Forum for Philosophy
https://blogs.lse.ac.uk/theforum/ethics-matters-in-war/
Cécile Fabre and Jeff McMahan discuss the ethics of war.
Stanford Encylopedia of Philosophy
https://plato.stanford.edu/entries/war/
https://plato.stanford.edu/entries/pacifism/
Entries on war and pacifism.
Stop the War Coalition
stopwar.org.uk/
A prominent British anti-war campaign group.
War Report
www.comw.org/warreport/
A large archive of reports and documents relating to the wars in Afghanistan and Iraq.