WORLD WAR I: FARMERS.
WORLD WAR I: TELEPHONE.
WORLD WAR I: GERMANY, c1918.
WORLD WAR I: SALVAGING
WORLD WAR I: FRENCH FORT.
WORLD WAR I: ALLIED PATROL.
WORLD WAR I: FRANCE.
WORLD WAR I: PRISONERS.
WORLD WAR I: FLAMETHROWER.
WORLD WAR I: AMERICANS.
WORLD WAR I: GUNNERS.
WORLD WAR I: GAS WARFARE.
WORLD WAR I: SPIKED BOARDS.
WORLD WAR I: CANNON.
WORLD WAR I: SEARCHLIGHT.
WORLD WAR I: CAMOUFLAGE.
WORLD WAR I: FLANDERS.
WORLD WAR I: TRENCH.
OREGON: FARMERS, c1880.
WORLD WAR I: GERMAN TROOPS.
WORLD WAR I: GERMAN TRENCH.
WORLD WAR I: BARBED WIRE.
WORLD WAR I: PONTOON BRIDGE.
WORLD WAR I: FRANCE, 1918.
WORLD WAR I: U.S. TROOPS.
WORLD WAR I: TRENCH, c1916.
WORLD WAR I: BOURESCHES
WORLD WAR I: BRITISH TANKS.
WWI: MOHAWK TROOPS.
WORLD WAR I: SOLDIERS.
WORLD WAR I: ALBERT CHURCH
WORLD WAR I: QUARRY.
WWI: FRENCH LINE OF DEFENSE.
WWI: MILITARY POLICE, 1918.
WWI: BAVARIAN SOLDIERS.
WORLD WAR I: ARTILLERY.
WORLD WAR I: BATTLE.
WORLD WAR I: RELAXATION.
WORLD WAR I: SOMME.
WORLD WAR I: WOUNDED.
WORLD WAR I: CANADIANS.
WORLD WAR I: U.S. ARMY.
WORLD WAR I: SIGNAL STATION.
WORLD WAR I: FRENCH DUGOUT.
WORLD WAR I: GUNNERS, 1918.
WORLD WAR I: ARMORED CARS.
WORLD WAR I: BRITISH GUN.
WORLD WAR I: TRENCH, 1918.
WORLD WAR I: ANTI-AIRCRAFT.
WORLD WAR I: CAMBRAI, 1917.
WORLD WAR I: GERMAN DEAD.
WORLD WAR I: CANAL DU NORD.
WORLD WAR I: LOUNGE, c1917.
WORLD WAR I: GALLIPOLI.
WORLD WAR I: TRENCH HUTS.
WWI: AMERICANS, 1918.
WORLD WAR I: HEADQUARTERS.
WORLD WAR I: SOMME FRONT.
WORLD WAR I: BELGIUM, 1918.
WORLD WAR I: ARGONNE, 1918.
Destroyed French town, World War I
French tanks, World War I
WORLD WAR I: CAVALRY.
WORLD WAR I: BATTLEFIELD.
WORLD WAR I : VERDUN
WORLD WAR I: TRENCHES.
WORLD WAR I: ZEPPELIN.
WORLD WAR I: TANKS.
WWI: AMERICAN TROOPS.
WWI: BRITISH WOUNDED.
WORLD WAR I: BALLOON.
British soldiers pass through a link trench.
Canadian soldiers on the western Front.
British soldiers attacking a German Trench on the Western Front, in World War One.
BRUSSELS: GERMAN SCHOOL.
SOUTH DAKOTA: FARMING.
WORLD WAR I: OBSERVATION.
WORLD WAR I: CHASSEUR.
WORLD WAR I: SPAHIS.
WORLD WAR I.
WORLD WAR I: PARADE.
WORLD WAR I: ARMED BARGE.
WORLD WAR I: TRENCH, c1917.
Men of the 23rd US Infantry, in France.
WWI: GERMAN PILOTS.
Christmas truce in 1914, World War I
WWI: BATTLE OF ARRAS, 1917.
Troops on Western Front
Gas attack in sand dunes in Flanders, First World War
Gas attack, Western Front, First World War
WORLD WAR I: ARMORED TRAIN.
REMARQUE: ALL QUIET, 1929.
WWI: FRENCH TANK, 1918.
WORLD WAR I: BUNKER.
WORLD WAR I: GERMAN GUN.
WORLD WAR I: FRENCH TANKS.
WORLD WAR I: FRENCH TANK.
WORLD WAR I: AERIAL PHOTO.
WORLD WAR I: AMERICAN FRONT.
WORLD WAR I: WESTERN FRONT.
WORLD WAR I: FORTIFICATION.
WORLD WAR I: VERDUN.
WORLD WAR I: TRANSPORT.
WORLD WAR I: GERMAN PLANES.
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: TANK TRAP.
WORLD WAR I: VIMY RIDGE.
WORLD WAR I: TRENCH DIGGING.
WORLD WAR I: DAMAGED PLANE.
CHINA: FARMING, c1907.
UKRAINE: PEASANTS.
PLOWING, 1868.
AMERICA: PLOWING, 1929.
Steam ploughing machine, 1910s
The Battle of Loos.
French officers in an underground HQ.
Soldiers marching beside a river and over a bridge into a shelled Verdun.
Card game on trench mortar shells, First World War
CANADA: FARMING, 1883.
WORLD WAR I: CAMP, c1917.
TEXAS: FARM WIFE, 1937.
VIRGINIA: FARMING, 1941.
WWI: RUSSIAN TRENCH.
WWI: RUSSIAN RETREAT, 1915.
CALIFORNIA: THRESHERS.
GERMAN AIRCRAFT, 1917.
WORLD WAR I: PRZEMYSL.
WORLD WAR I: RUSSIA.
NEBRASKA: HARROWING.
WORLD WAR I: RUSSIAN ARMY.
WORLD WAR I: GORLICE, 1915.
WORLD WAR I: BRITISH TANK.
WORLD WAR I: FRENCH RUINS.
WORLD WAR I: PRIEST.
WORLD WAR I: PILL BOX FORT.
MORMON CURRENCY, 1858.
FREES: KITTENS, c1914.
WORLD WAR I: ELEPHANT, 1915.
WORLD WAR I: CASUALTIES.
CALIFORNIA: IRRIGATION.
WORLD WAR I: FRANCE, 1917.
WORLD WAR I: CAVALRY, 1918.