Resort to War 1816-2007 by Meredith Reid Sarkees and Frank Whelon Wayman, CQ Press, 2010. Find it in Ohrstrom at: REF 355.02 Sa7R A data handbook (the third from the Correlates of War Project) correlating war data and background on wars from 1816-2007.  Larger thematic essays related to the topic are also included. Examples: The Debate: Is War Evolving? Brief History of the Correlates of War Project The Coding of Wars Individual Descriptions of Inter-state Wars War and Philosophy Helpful for: History, Humanities, Global Studies, Warfare Studies, Statistics