S: UNESCO – http://unesdoc.unesco.org/images/0014/001406/140618e.pdf (last access: 12 April 2013); http://avalon.law.yale.edu/subject_menus/lawwar.asp (last access: 2 September 2014).
N: Armed conflict is as old as humankind itself. There have always been customary practices in war, but only in the last 150 years have States made international rules to limit the effects of armed conflict for humanitarian reasons. The Geneva Conventions and the Hague Conventions are the main examples. Usually called international humanitarian law (IHL), it is also known as the law of war or the law of armed conflict.
S: https://www.icrc.org/eng/war-and-law/overview-war-and-law.htm (last access: 8 October 2015)