WWI: SOMME, c1916.
WORLD WAR I: SOMME, 1916.
WWI: TRENCHES, c1915.
WWI: TRENCHES, c1914.
WWI: ITALY, c1916.
WWI: TRENCHES, c1916.
WWI: DUGOUT, c1914.
WWI: FIELD PHONE, c1914.
WWI: FRANCE, c1916.
WWI: BATTLEFIELD, c1916.
WWI: CRAONNE, c1914.
WWI: SOLDIERS, c1914.
WWI: FRENCH SOLDIERS.
WWI: FRANCE, 1918.
WORLD WAR I: TRENCH.
WORLD WAR I: TRENCH, c1914.
BATTLE OF THE SOMME, 1916.
WORLD WAR I: TRENCH, c1915.
WORLD WAR I: SOMME.
WWI: FRENCH LINE OF DEFENSE.
WORLD WAR I: FRANCE
WORLD WAR I: TRENCHES.
WWI: BATTLE OF ARRAS, 1917.
WWI: TRENCH MORTAR.
WORLD WAR I: TRENCH DIGGING.
WORLD WAR I: BELGIUM.
WWI: YPRES, c1916.
WORLD WAR I: GERMAN GUNS.
WORLD WAR I: TRENCH, c1916.
WORLD WAR I: RIFLE GRENADES.
WORLD WAR I: FRENCH TROOPS.
WORLD WAR I: TRENCH, 1918.
WORLD WAR I: BELGIUM, c1915.
WORLD WAR I: BRITISH TANK.
WORLD WAR I: TRENCH, c1917.
WORLD WAR I: TERNOPIL.
WORLD WAR I: FRENCH TRENCH.
WORLD WAR I: FRENCH FORT.
RUSSO-JAPANESE WAR, c1905.
WORLD WAR I: DOBERDO.
WORLD WAR I: GAS WARFARE.
WORLD WAR I: BATTLEFIELD
WORLD WAR I: BATTLE.
WWI: FRANCE, c1918.
WWI: SERBIAN TRENCHES.
WORLD WAR I: AISNE, 1917.
WORLD WAR I: FRANCE, c1918.
WWI: BELGIAN GUNNER.
WWI: SERBIAN TRENCH.
WWI: RUSSIAN TRENCH.
Australian infantry, small box respirators at The First World war Battle of Ypres 1916
WORLD WAR I: MESSENGER DOG.
WORLD WAR I: SERBIA.
WORLD WAR I: CAMP UPTON.
WORLD WAR I: TRAINING.
WWI: SOLDIERS, c1915.
WWI: BELGIUM, c1914.
WWI: BRITISH ARMY/SOMME.
WORLD WAR I: BATTLEFIELD.
WORLD WAR I: LAND MINE.
WORLD WAR I: GERMAN TRENCH.
WORLD WAR I: MACHINE GUN.
WORLD WAR I: TRENCH HUTS.
WWI: AUSTRIAN TRENCH.
WORLD WAR I: CANADIANS.
WORLD WAR I: SOMME, C1916.
WWI: BELGIAN ARMY, c1914.
WORLD WAR I: TELEPHONE.
WORLD WAR I: FORTIFICATION.
WORLD WAR I: WOUNDED, 1918.
WORLD WAR I: FRANCE.
WWI: BREST-LITOVSK, 1915.
WORLD WAR I: CANNON.
RUSSO JAPANESE WAR, c1905.
WWI: FLANDERS, c1916.
WORLD WAR I: GERMAN TROOPS.
WORLD WAR I: WOUNDED.
WORLD WAR I: HORSES.
WORLD WAR I: INDIAN TROOPS.
WWI: VETERAN, c1917.
WWI: ARRAS, c1919.
WWI: PRISONERS, c1914.
WWI: AIRPLANE, c1914.
WWI: MOTORCYCLES, c1914.
WWI: VACCINATIONS, c1914.
WWI: MASS, c1914.
WWI: SHELTER, c1914.
WWI: ZOUAVES, c1914.
WWI: PARIS, c1914.
WWI: MITRAILLEUSE, c1914.
WWI: COOKS, c1914.
WWI: KITCHEN, c1914.
WWI: CYCLISTS, c1914.
WWI: SOLDIER, c1915.
WWI: TANK, c1915.
WWI: HOWITZER, c1915.
WWI: UHLANS, c1914.
WWI: ROUEN, c1914.
WORLD WAR I: FRENCH DUGOUT.
WWI: GERMAN SOLDIER, c1914.
WWI: ANTI-AIRCRAFT, c1914.
WWI: BRITISH SOLDIER, c1914.
WWI: ARMORED CAR, c1915.
WWI: ARMORED CARS, c1915.
WWI: BRITISH TROOPS, c1914.
WWI: FRENCH TROOPS, c1914.
WWI: ARMORED CARS, c1914.
WWI: INDIAN ARMY, c1914.
WWI: GERMAN RIFLEMEN, c1915.
WWI: FRENCH ARMY, c1914.
WORLD WAR I: GERMAN DUGOUT.
RUSSO-JAPANESE WAR, c1906.
RUSSO-JAPANESE WAR, c1904.
WWI: 369TH INFANTRY, c1918.
WORLD WAR I.
WORLD WAR I: SOLDIERS.
WORLD WAR I: U.S. TROOPS.