France and Belgium 1917. Vol I. the German Retreat to the Hindenburg Line and the Battle of Arras. Official History of the Great War.

Held to be the best written of all the official histories of operations on the Western Front begins with a review of the allied prospects for 1917 as discussed at the Chantilly Conference and then covers the first five months of 1917: the operations on the Ancre in Jan/Feb the German withdrawal and the British Arras Offensive April - May 1917 Vimy the battles of the Scarpe (3) of Bullecourt (2) and of Arleux.