ICRC databases on international humanitarian law
Treaties and Documents
1949 Conventions and Additional Protocols, and their Commentaries
Historical Treaties and Documents
The Laws of War on Land. Oxford, 9 September 1880.
Part II : Application of general principles #I. Hostilities #A. Rules of conduct with regard to individuals #(c) The sick and wounded, and the sanitary service - Art. 18.
Art. 18. The generals of the belligerent Powers should appeal to the humanity of the inhabitants, and should endeavour to induce them to assist the wounded by pointing out to them the advantages that will result to themselves from so doing (Articles 36
). They should regard as inviolable those who respond to this appeal.