Sect. 1.The origins of modern war: from the sixteenth to the eighteenth century: Machiavelli: the Renaissance of the art of war / Felix Gilbert -- Vauban: the impact of science on war / Henry Guerlac -- Frederick the Great, Guibert, Bülow: from dynastic to national war / R.R. Palmer -- Sect. 2. The classics of the nineteenth century: interpreters of Napoleon: Jomini / Crane Brinton, Gordon A. Craig, and Felix Gilbert -- Clausewitz / H. Rothfels -- Sect. 3. From the nineteenth century to the First World War: Adam Smith, Alexander Hamilton, Friedrich List: the economic foundations of military power / Edward Mead Earle -- Engels and Marx: military concepts of the social revolutionaries / Sigmund Neumann -- Moltke and Schlieffen: the Prussian-German school / Hajo Holborn --Du Picq and Foch: the French school / Stefan T. Possony and Etienne Mantoux -- Bugeaud, Galliéni, Lyautey: the development of French colonial warfare / Jean Gottmann -- Delbrück: the military historian / Gordon A. Craig -- Sect. 4. From the First to the Second World War: Churchill, Lloyd George, Clemenceau: the emergence of the civilian / Harvey A. DeWeerd -- Ludendorff: the German concept of total war / Hans Speier -- Lenin, Trotsky, Stalin: Soviet concepts of war / Edward Mead Earle -- Maginot and Liddell Hart: the doctrine of defense / Irving M. Gibson -- Haushofer: the geopoliticians / Derwent Whittlesey -- Sect. 5. Sea and air war: Mahan: evangelist of sea power / Margaret Tuttle Sprout -- Continental doctrines of sea power / Theodore Ropp -- Japanese naval strategy / Alexander Kiralfy -- Douhet, Mitchell, Seversky: theories of air warfare / Edward Warner -- Epilogue: Hitler: the Nazi concept of war / Edward Mead Earle.