2nd Battalion Gordon Highlanders marching to the trenches along Becordel-Fricourt Road, Somme, October 1916.
Working party of British troops on muddy ground near Bernafay Wood, Somme, November 1916
Troops outside their dug-outs in Bazentin-le-Petit, Somme, July 1916.
An advanced water supply point on the Mametz Road near Fricourt, Somme, July 1916.
The Black Watch marching back along the Fricourt-Albert road headed by their pipers. Somme, August 1916.
Old German trench occupied by British troops. View from Albert-Pozieres road over Ovillers, Somme, September 1916.
A Sergeant Major of the 16th Irish Division having a breakfast meal by a wheatsheaf. The Amiens - Albert Road, 25th August 1916.
Battle of Bazentin Ridge, 14-17 July 1916. Soldiers digging a communication trench through Delville Wood.
Soldiers waiting by a travelling field kitchen for their dinner, Aveluy, Somme, November 1916.
Ernest Brooks: Men of the Wiltshire Regiment waving their helmets as they march along the Acheux road to the trenches.
A portrait of four smiling Canadians, as they await treatment at a Casualty Clearing Station, Duisans, 3 September 1918.
Allied troops by the Vittoria Emmanuel Memorial.
The 1st Battalion Grenadier Guards crossing the Rhine after a route march, Cologne, 8th January 1919.
British infantry retiring from Verneuil driving a flock of sheep before them, 29 May 1918.
Troops of the American Army at Havre, 12 July 1918.
The King with General Lewis, inspecting troops of the American 30th Division, 6 August 1918.
Indian Troops of the 7th Meerut Division bathing in the River Auja, Summer 1918.
An Australian infantryman gives a drink to a wounded Turkish soldier during the Gallipoli Campaign in 1915.
Men of the Nigerian Brigade near Ndanda, German East Africa.
Troops supposedly "going over the top" at the start of the Battle of the Somme in 1916. In reality the photo was taken during a training exercise.
Battle of the Somme. A support company of an assault battalion, of the Tyneside Irish Brigade, going forward shortly after zero hour on 1 July 1916 during the attack on La Boisselle.
Battle of the Lys: Nurse caring for British gas-poisoned wounded on a hospital train near Bethune, 1918
Gunners of the Royal Field Artillery loading 18-pounder shells into limbers. Acheux, Somme, July 1916.
Battle of Bazentin Ridge. An intelligence officer questioning a wounded German prisoner on a stretcher near Contalmaison, Somme, July 1916.