WWI: TRENCHES, c1914.
WWI: TRENCHES, c1915.
WWI: SOLDIERS, c1914.
WWI: TRENCHES, c1916.
WORLD WAR I: TRENCH, c1915.
WORLD WAR I: GERMAN TRENCH.
WORLD WAR I: BELGIUM.
WWI: BELGIAN GUNNER.
WORLD WAR I: RIFLE GRENADES.
WORLD WAR I: TRENCH.
WORLD WAR I: TERNOPIL.
WORLD WAR I: GERMAN GUNS.
WORLD WAR I: BELGIUM, c1915.
WWI: DUGOUT, c1914.
WWI: FIELD PHONE, c1914.
WORLD WAR I: FRENCH TRENCH.
WWI: SERBIAN TRENCH.
WWI: TRENCH MORTAR.
WORLD WAR I: TRENCHES.
WORLD WAR I: SERBIA.
WWI: CRAONNE, c1914.
WWI: FRANCE, 1918.
WWI: SOMME, c1916.
WORLD WAR I: MACHINE GUN.
WORLD WAR I.
WORLD WAR I: TRENCH, c1916.
WWI: RUSSIAN TRENCH.
WWI: ANTI-AIRCRAFT, c1914.
WWI: FRENCH TROOPS, c1914.
WWI: INDIAN ARMY, c1914.
WWI: FRENCH SOLDIERS.
WORLD WAR I: SOMME.
WWI: FRENCH LINE OF DEFENSE.
WWI: BATTLEFIELD, c1916.
WWI: ITALY, c1916.
WORLD WAR I: TRENCH, c1914.
WWI: NEWSBOYS, c1914.
WORLD WAR I: BATTLEFIELD.
WWI: AUSTRIAN TRENCH.
RUSSO-JAPANESE WAR, c1905.
WWI: SOLDIER, c1915.
WWI: SERBIAN TRENCHES.
WORLD WAR I: FRENCH TROOPS.
WORLD WAR I: BATTLE.
WWI: GERMAN RIFLEMEN, c1915.
WWI: BATTLE OF ARRAS, 1917.
FIELD TELEPHONE, 1914.
WORLD WAR I: BRITISH TANK.
WORLD WAR I: INDIAN TROOPS.
WORLD WAR I: CAMP UPTON.
BATTLE OF THE SOMME, 1916.
WORLD WAR I: U.S. TROOPS.
WORLD WAR I: GAS WARFARE.
WORLD WAR I: FRANCE
WORLD WAR I: SOMME, 1916.
WORLD WAR I: DOBERDO.
WORLD WAR I: REVOLUTION.
WWI: CHRISTMAS, c1915.
RUSSO-JAPANESE WAR, c1904.
RUSSO-JAPANESE WAR, c1906.
WWI: SIBERIAN TROOPS.
WWI: AIRPLANE, c1914.
WORLD WAR I: RELAXATION.
WORLD WAR I: DOGS.
WORLD WAR I: TRENCH, 1918.
WORLD WAR I: MESSENGER DOG.
WORLD WAR I: TRAINING.
RUSSO JAPANESE WAR, c1905.
FRANCE: AMERICAN TROOPS.
WORLD WAR I: TRENCH, c1917.
WORLD WAR I: WOUNDED.
WWI: ARTILLERY, c1914.
WWI: YPRES, c1916.
WWI: FRANCE, c1918.
Raft of shipwrecks Gallia
WWI: BAYONET TRAINING.
WWI: BRITISH TROOPS.
WWI: AMERICAN TROOPS.
WWI: GERMAN SOLDIER, 1916.
WWI: ITALIAN ARMY, c1916.
WWI: FRANCE, c1914.
WWI: GERMAN SOLDIERS.
WWI: GERMAN ARTILLERY.
WORLD WAR I: FRANCE, c1918.
WWI: FRANCE, c1915.
WWI: GERMAN INFANTRY, c1914.
WORLD WAR I: CHERNIVTSI.
WORLD WAR I: BRITISH ARMY.
WORLD WAR I: TURKEY, 1915.
WORLD WAR I: SNIPER.
DRAFT REGISTRATION, 1918.
WORLD WAR I: BATTLEFIELD
WWI: BELGIAN ARMY, c1914.
Entrenched German soldiers await the arrival of the Belgians during World War One
WORLD WAR I: CANADIANS.
WORLD WAR I: AISNE, 1917.
WORLD WAR I: LAND MINE.
WWI: ARMORED CARS, c1914.
WW I: AMERICAN TROOPS.
WWI: BELGIUM, c1914.
WORLD WAR I: TRENCH MORTAR.
WORLD WAR I: TRENCH DIGGING.
WWI: FRANCE, c1916.
WORLD WAR I: YPRES, 1917.
WORLD WAR I: FORTIFICATION.
WORLD WAR I: TRENCH HUTS.
WORLD WAR I: HORSES.
WORLD WAR I: SOLDIERS.
VERSAILLES TREATY, 1919.
WORLD WAR I: FRANCE.
WORLD WAR I: ARMORED CAR.
WORLD WAR I: GERMAN RIFLE.
WORLD WAR I: ITALIAN GUN.
WORLD WAR I: REGIMENT.
WORLD WAR I: RUSSIANS.
WORLD WAR I: FRENCH POSTER.
WORLD WAR I: BARBED WIRE.
WWI: ARTILLERY, c1915.
WORLD WAR I: ANTI-AIRCRAFT.
WORLD WAR I: GERMAN TROOPS.
Australian infantry, small box respirators at The First World war Battle of Ypres 1916
WORLD WAR I: WOUNDED, 1918.
WWI: PARIS, c1914.
WWI: SHARPSHOOTERS.