Issued by the General Staff: doctrine writing at British GHQ, 1917-1918

This article exploits the previously unused private papers of the General Headquarters doctrine writers to examine the process by which the British Expeditionary Force’s combat doctrine was produced and the influences upon it. It also reveals SS.198, a hitherto unknown manual from the autumn of 1917, which illustrates Field Marshal Sir Douglas Haig’s influence upon doctrine writing at the time of the controversial Third Ypres offensive. It concludes that the doctrinal process raises serious questions about the notion of a consistent ‘learning curve’ within the BEF