1. Coalition warfare and the Franco-British alliance -- 2. Command, 1914-1915 -- 3. The battle of the Somme, 1916 -- 4. Liaison, 1914-1916 -- 5. The Allied response to the German submarine -- 6. Command, 1917 -- 7. The creation of the Supreme War Council -- 8. The German offensives of 1918 and the crisis in command -- 9. The Allies counter-attack -- 10. Politics and bureaucracy of supply -- 11. Coalition as a defective mechanism?.