WORLD WAR I: CHERNIVTSI.
WORLD WAR I: BRITISH ARMY.
WORLD WAR I: ITALIAN GUN.
WORLD WAR I: BELGIUM.
WORLD WAR I: SNIPER.
WORLD WAR I: TURKEY, 1915.
WORLD WAR I: RUSSIANS.
WORLD WAR I: TRENCH, c1915.
WORLD WAR I: AUSTRIANS.
WORLD WAR I: BATTLEFIELD.
WORLD WAR I: TRENCH.
WORLD WAR I: TERNOPIL.
WORLD WAR I: REGIMENT.
WORLD WAR I: SOLDIER.
POSTER: WORLD WAR I.
WORLD WAR I: MACHINE GUN.
WORLD WAR I: RIFLE GRENADES.
WORLD WAR I: ARMORED CAR.
WORLD WAR I: GERMAN RIFLE.
WORLD WAR I: GERMAN GUNS.
WORLD WAR I: INDIAN TROOPS.
WORLD WAR I: GAS WARFARE.
WORLD WAR I: BARBED WIRE.
WORLD WAR I: BELGIUM, c1915.
WORLD WAR I: FLANDERS.
WORLD WAR I: TRENCHES.
WORLD WAR I: LOST TROOPS.
WORLD WAR I: FRENCH POSTER.
World war one British artillery gun is hauled through mud into a firing position 1915
WORLD WAR I: GERMAN TRENCH.
WORLD WAR I: ARTILLERY.
WORLD WAR I: SERBIA.
WORLD WAR I: TRAINING.
WORLD WAR I: ANTI-AIRCRAFT.
WORLD WAR I: TRENCH, c1916.
WORLD WAR I: FRENCH TROOPS.
WWI: SIBERIAN TROOPS.
WWI: ANTI-AIRCRAFT, c1914.
WWI: TRENCHES, c1914.
WWI: FRENCH TROOPS, c1914.
WWI: SOLDIERS, c1914.
WWI: INDIAN ARMY, c1914.
WWI: SOLDIER, c1915.
FIELD TELEPHONE, 1914.
WWI: GERMAN RIFLEMEN, c1915.
WW I: AMERICAN TROOPS.
WORLD WAR I: U.S. ARTILLERY.
WORLD WAR I: GUNNERS.
WORLD WAR I: CAMOUFLAGE.
WORLD WAR I: SOMME.
WORLD WAR I: CANADIANS.
WORLD WAR I: CAMP UPTON.
WORLD WAR I: FRENCH TRENCH.
WWI: BAYONET TRAINING.
WWI: BRITISH TROOPS.
WWI: ITALIAN ARMY, c1916.
World War One Australian Soldiers passing through mud fields.
Muddy footprints of soldiers in France during World War One
soldiers walking through mud in France during World War One
WWI: GERMAN SOLDIER, 1916.
WORLD WAR I: U.S. TROOPS.
World War one in the service of the nation.
WORLD WAR I: SPARTACISTS.
WORLD WAR I: HOWITZER.
WORLD WAR I: CANNON.
WORLD WAR I: ITALIAN FRONT.
WORLD WAR I: GERMAN BOMBS.
WORLD WAR I: BIG BERTHA.
WORLD WAR I: DENDERMONDE.
WORLD WAR I: ARMORY, c1917.
WORLD WAR I.
WWI: BELGIAN GUNNER.
WWI: TRENCHES, c1915.
WORLD WAR I: EQUIPMENT.
WORLD WAR I: CANNON, 1915. Turkish soldiers equipping a cannon with desert tires, during World War I. Photograph from the Berliner Illustrirte Zeitung, 14 March 1915.
WORLD WAR I: GALLIPOLI, 1915.
WORLD WAR I: YPRES, c1917.
International brigade soldiers.
WORLD WAR I: PIAVE RIVER.
WORLD WAR I: CAMEROON.
Belgian Machine Gunner in Position in Trenches, World War I, 1915
Gas-Masked Men.
WWI: AMERICAN TROOPS.
A Caterpillar Wheeled Traction Engine Drawing A British Heavy Gun During World War I
WORLD WAR I: ISONZO FRONT.
Aerial view of the capture of a war balloon on the western front during World War One
German soldiers marching to Stalingrad
WORLD WAR I: BERLIN, C1919.
WORLD WAR I: FILM STILL.
WORLD WAR I: BATTLE.
WORLD WAR I: ITALIANS.
WWI: TRENCHES, c1916.
WWI: AIRPLANE, c1914.
WWI: GERMAN SOLDIERS.
WWI: GERMAN ARTILLERY.
WORLD WAR I: RELAXATION.
WORLD WAR I: GERMAN ARMY.
WORLD WAR I: SPIKED BOARDS.
WWI: SERBIAN TRENCH.
World war One: German troops run across a muddy terrain, towards a battle front 1915
WORLD WAR I: DEAD SOLDIER.
SPANISH-AMERICAN WAR, 1898.
A sniper during World War One
WWI: RUSSIAN TRENCH.
American Soldiers at the Declaration of War.
WWI: CHRISTMAS, c1915.
WORLD WAR I: CUPOLA, c1918.
World war one: German soldiers in gas masks use a machine gun, France 1915
WORLD WAR I: ARMORED CARS.
Machine-gunners firing at the germans during battle for a height in the northern caucasus during world war ll, 1942.
WORLD WAR I: DOGS.
WORLD WAR I: GALLIPOLI.
WORLD WAR I: TELEPHONE.
WORLD WAR I: SEARCHLIGHT.
WORLD WAR I: CHASSEURS.
WORLD WAR I: ALPS.
WORLD WAR I: SALVAGING
WORLD WAR I: TILLOLOY.
WORLD WAR I: FRANCE
WORLD WAR I: PRISONERS.
WORLD WAR I: LUNEVILLE.
WORLD WAR I: CEMETERY.
WORLD WAR I: DOBERDO.
WORLD WAR I: BAKERS.
WORLD WAR I: MOTORCYCLE.
World War One British soldiers.
French infantrymen during World War One wearing respirators
WWI: RUSSIAN PRISONERS.
ALBERT I (1875-1934).
WORLD WAR I: BRITISH GUN.
WORLD WAR I: ROMANIAN ARMY.
WORLD WAR I: LILLE, 1918.
Republican soldier travels by donkey.
WORLD WAR I: CARTOON, 1914.
WORLD WAR I: Petrograd.
Poster shows a German soldier with rifle.
Photograph of Polish soldiers charging into battle
Two Marines in dress uniform.
WORLD WAR I: FRENCH FORT.
WORLD WAR I: MARNE, 1918.
WORLD WAR I: BELLEAU WOOD.
WORLD WAR I: SOMME, 1916.
WORLD WAR I: HOMING PIGEON.
WORLD WAR I: FRANCE, 1918.
WORLD WAR I: NATIONAL GUARD.
WORLD WAR I: GRAVES, 1914.
WORLD WAR I: GERMAN TROOPS.
WORLD WAR I: TROOPS, 1914.
WORLD WAR I: GERMAN DEAD.
WORLD WAR I: RUSSIA.
WORLD WAR I: ARCHANGEL.