Graça Machel (2001). “The Impact of War on Children: A Review of Progress Since the 1996 United Nations Report on the Impact of Armed Conflict on Children”, p.13, C. HURST & CO. PUBLISHERS
"Steven Pinker: 'Artists used to gush about the beauty of war. The First World War put an end to that'". Interview with Clint Witchalls, www.independent.co.uk. November 10, 2011.