Loading a trench mortar in a hillside dugout on the Serbian front

Steel-helmeted Scots entrenched and cheerily awaiting a counterattack

Trenches bitterly contested in battle in once peaceful village near Ypres

British Royal Engineers constructing second line trenches in Flanders

"And the trench was a reeking shambles," German dead in the La Bassée area

Repairing field telephone lines during a gas attack at the front

Wrecked submarine at Bruges, Belgium, a German submarine base

Soldiers about to enter tear-gas trench, Camp Dix, N.J.

French mine explosion under enemy trenches

Awaiting enemy in French trenches with rifle and mitrailleuse

French lines captured from the enemy by the Marine Fusileers

Bridgnet Michelin bombarding airplane ready to ascend, France

Observation balloon fatally pierced by incendiary bullets from American plane

"Through sickly shrapnel-sown meadows reaped by death alone"

Airplane view of trenches and shell holes

Sharpshooters in protected position near enemy lines

In a French trench, sandbag protected, showing dart bombs

French soldiers resting in the trenches

"On all sides round a great furnace flamed," German attack, north Compeigne, France

Preparing for an attack.

Confederate soldiers killed in the trenches at Petersburg April 2, 1865 [at Fort Mahone].

hotographic copy of a print (?) copy of the painting The Battle of La Hogue, 23 May 1692 by Benjamin West published by Weber Bros. of Erie, Penn'a.