WORLD WAR I: GERMAN GUNS.
WORLD WAR I: MACHINE GUN.
WORLD WAR I: BELGIUM.
WORLD WAR I: TERNOPIL.
WORLD WAR I: RIFLE GRENADES.
WORLD WAR I: SERBIA.
WORLD WAR I: INDIAN TROOPS.
WORLD WAR I: TRENCH, c1915.
WORLD WAR I: TRENCH.
WORLD WAR I: FRENCH TROOPS.
WORLD WAR I: U.S. TROOPS.
WORLD WAR I.
WORLD WAR I: TRENCHES.
WWI: SOLDIERS, c1914.
WWI: TRENCHES, c1915.
WWI: SERBIAN TRENCH.
WORLD WAR I: SOMME, 1916.
WORLD WAR I: TRENCH, c1914.
WORLD WAR I: TRENCH, 1918.
WWI: BELGIAN GUNNER.
WORLD WAR I: GAS WARFARE.
BATTLE OF THE SOMME, 1916.
WORLD WAR I: BATTLEFIELD
WORLD WAR I: DOBERDO.
WORLD WAR I: SOMME.
WORLD WAR I: RUSSIANS.
WWI: TRENCHES, c1914.
German soldiers using a machine gun.
WORLD WAR I: BATTLE.
WORLD WAR I: TRAINING.
WORLD WAR I: TRENCH DIGGING.
WORLD WAR I: TRENCH, c1916.
WORLD WAR I: BELGIUM, c1915.
WORLD WAR I: CAMP UPTON.
WORLD WAR I: FRENCH TRENCH.
WORLD WAR I: TURKEY, 1915.
WORLD WAR I: FRANCE.
WWI: BATTLE OF ARRAS, 1917.
WORLD WAR I: ARMORED CAR.
WORLD WAR I: ITALIAN GUN.
WWI: AMERICAN TROOPS.
WORLD WAR I: BATTLEFIELD.
WORLD WAR I: FRANCE
WORLD WAR I: CANADIANS.
WWI: BATTLEFIELD, c1916.
WORLD WAR I: GERMAN TROOPS.
RUSSO-JAPANESE WAR, c1904.
WORLD WAR I: GERMAN TRENCH.
WORLD WAR I: TRENCH MORTAR.
WWI: TRENCH MORTAR.
WWI: FRENCH LINE OF DEFENSE.
WORLD WAR I: BRITISH TANK.
WWI: FRENCH SOLDIERS.
WORLD WAR I: RELAXATION.
WWI: AUSTRIAN TRENCH.
WORLD WAR I: ANTI-AIRCRAFT.
WWI: TRENCHES, c1916.
WWI: ITALY, c1916.
WWI: CRAONNE, c1914.
WORLD WAR I: DENDERMONDE.
WORLD WAR I: MESSENGER DOG.
WORLD WAR I: REGIMENT.
WORLD WAR I: FRANCE, 1918.
RUSSO JAPANESE WAR, c1905.
WORLD WAR I: YPRES, 1917.
WORLD WAR I: DOGS.
WORLD WAR I: TANK TRAP.
WORLD WAR I: BARBED WIRE.
WWI: SOMME, c1916.
WORLD WAR I: FRENCH DUGOUT.
WORLD WAR I: MACEDONIA.
WORLD WAR I: TRENCH HUTS.
WORLD WAR I: GERMAN RIFLE.
WORLD WAR I: TRENCH, c1917.
WWI: BAYONET TRAINING.
WWI: ITALIAN ARMY, c1916.
A German Machine Gun Crew in action.
WWI: ANTI-AIRCRAFT, c1914.
RUSSO-JAPANESE WAR, c1906.
WWI: FRANCE, c1918.
WORLD WAR I: SPARTACISTS.
WORLD WAR I: SNIPER.
WORLD WAR I: BERLIN, C1919.
WORLD WAR I: GERMAN DUGOUT.
WORLD WAR I: WOUNDED, 1918.
WORLD WAR I: AISNE, 1917.
WWI: RUSSIAN TRENCH.
WORLD WAR I: MACHINE GUNS.
WWI: FIELD PHONE, c1914.
WWI: DUGOUT, c1914.
WORLD WAR I: CUPOLA, c1918.
RUSSO-JAPANESE WAR, c1905.
WORLD WAR I: LAND MINE.
WORLD WAR I: GUNNERS.
WORLD WAR I: CAMOUFLAGE.
WORLD WAR I: BRITISH ARMY.
WORLD WAR I: FORTIFICATION.
WORLD WAR I: HORSES.
WORLD WAR I: FRANCE, c1918.
WWI: FRANCE, c1915.
WORLD WAR I: ISONZO FRONT.
Gas-Masked Men.
WORLD WAR I: ARGONNE, 1918.
WORLD WAR I: FRENCH POSTER.
WORLD WAR I: TELEPHONE.
WORLD WAR I: AERIAL COMBAT.
WORLD WAR I: ARMISTICE.
WWI: SERBIAN TRENCHES.
WORLD WAR I: ARMORED CARS.
French soldiers in an anti-aircraft position
Italian officers in an anti-aircraft position
WWI: GERMAN SOLDIER, 1916.
WWI: FRANCE, 1918.
WORLD WAR I: ITALIAN FRONT.
WORLD WAR I: SOLDIER.
Belgian Machine Gunner in Position in Trenches, World War I, 1915
WWI: SIBERIAN TROOPS.
WWI: INDIAN ARMY, c1914.
WORLD WAR I: TOUR, C1918.
WORLD WAR I: VOSGES.
RUSSO-JAPANESE WAR, 1905.
German soldiers using a machine gun during the Second World War.
WWI: BRITISH TROOPS.