ICRC databases on international humanitarian law
Treaties and Documents
1949 Conventions and Additional Protocols, and their Commentaries
Historical Treaties and Documents
Principles of International Law Recognized in the Charter of the Nüremberg Tribunal and in the Judgment of the Tribunal, 1950.
The fact that a person acted pursuant to order of his Government or of a superior does not relieve him from responsibility under international law, provided a moral choice was in fact possible to him.