The Fourth Geneva Convention sets forth conduct in time of war.
Geneva Convention Treatment of Prisoners of War August 12, 1949.
This is an excerpt of Articles 4 and 5 of the 1949 Geneva Convention.
Geneva Convention Article 2: Convention (III) Relative to the Treatment of Prisoners of War: Part I General Provisions
Geneva Convention Article 3: Convention (III) Relative to the Treatment of Prisoners of War: Part I General Provisions
Geneva Convention Article 4: Convention (III) Relative to the Treatment of Prisoners of War: Part I General Provisions
Geneva Convention Article 4: Convention (IV) relative to the Protection of Civilian Persons in Time of War Part I: General Provisions.
Geneva Convention Article V: Convention (V) Information Bureaux and Relief Societies for Prisoners of War
Army Pamphlet: FM 27-10 THE LAW OF LAND WARFARE, December 1956 version.
A Vaughn index of Defense Intelligence Agency (DIA) documents produced alongside a FOIA production released on November 8th, 2004. The index lists the documents withheld by government and an explanation for their withholding.