Agenda item 55: Question of the punishment of war criminals and of persons who have committed crimes against humanity: report of the Secretary-General (A/7174 and Add.1, A/7203, chap. XI, sect. H; A/C.3/L.1559, A/C.3/L.1563, A/C.3/L.1565, A/C.3/L.1566/Rev.1, A/C.3/L.1568).