Portrait of a Group of German Soldiers Posing With Three Sitting Allied Prisoners of War Somewhere in Germany During World War 1 (1910's)

Portrait of a group of German soldiers posing with three sitting Allied prisoners of war somewhere in Germany during World War 1. One of the prisoners is identified as Private P. Robertson who served with the Royal Army Medical Corps.

Source: Wellcome Images.

Map Showing the Possible Routes Which German Zeppelins Could Use to Bomb England Published Near the Start of World War 1 in August 1914

Map showing the possible routes which German Zeppelins could use to bomb England published near the start of World War 1 in August 1914. From The Illustrated War News magazine published in 1914.

Map of a Russian Redoubt at the Start of World War 1 (1914)

Map of a Russian redoubt at the start of World War 1. From The Illustrated War News magazine published in 1914.

Map of French Forts Surrounding Paris Published Near The Start of World War 1 in September 1914

Map of French forts surrounding Paris published near the start of World War 1 in September 1914. From The Illustrated War News magazine published in 1914.

Propaganda Composite Photo Postcard Showing a Smiling German Who Has Captured Three Allied Soldiers and Put Them in Chains Which Was Published During the Early Months of World War 1 (1914)

Propaganda composite photo postcard showing a smiling German who has captured three Allied soldiers (British, Russian, and French) and put them in chains which was published during the early months of World War 1 in 1914. From The Illustrated War News magazine published in 1914.

“German Winter Watch in the Vosges. Firing a Heavy Howitzer.“ German Soldiers in the Vosges Mountains of France During World War 1 (1910's)

“German winter watch in the Vosges. Firing a heavy howitzer.“ German soldiers in the Vosges Mountains of France during World War 1.

Source: National Archives and Records Administration.

German Sailors Drilling With the Deck Gun of a U-boat Docked in a Port During World War 1 (1910's)

German sailors drilling with the deck gun of a U-boat docked in a port during World War 1.

Source: National Archives and Records Administration.

“Captain Franz Von Papen, Former German Military Attache at Washington, Who Was Persona Non Grata to the U.S. on Account of His Unfriendly Activities" (1915)

“Captain Franz von Papen, former German military attache at Washington, who was persona non grata to the U.S. on account of his unfriendly activities. He was recalled December 1915.”

Source: National Archives and Records Administration.

“The First Photograph From the Front: German Cavalrymen, Wounded During the Advance on Liège, Being Bandaged” (1914)

“The first photograph from the front: German cavalrymen, wounded during the advance on Liège, being bandaged.” Taken during the German invasion of Belgium in August 1914. From The Illustrated War News magazine published in 1914.

French Soldier Raoul Berthelé Playing With His Dog Named Goli in Berzy-le-Sec, France (1915)

French soldier Raoul Berthelé playing with his dog named Goli in Berzy-le-Sec, France, 1915. Attributed to Raoul Berthelé.

Source: City Archives of Toulouse.

British Filmmaker Geoffrey Malins Showing How He Carried Reels of Film While Making Films Covering World War 1 in Belgium and the Vosges Mountains of France (1914-1915)

British filmmaker Geoffrey Malins showing how he carried reels of film while making films covering World War 1 in Belgium and the Vosges Mountains of France, c. 1914-1915. From the book How I Filmed the War A Record of the Extraordinary Experiences of the Man Who Filmed the Great Somme Battles Etc published in 1920.

A French Soldier Posing at the Entrance of an Aid Station in a Trench During World War 1

A French soldier posing at the entrance of an aid station in a trench during World War 1. By Raoul Berthelé.

Source: City Archives of Toulouse.

Portrait of a Group of French Ambulance Officers Playing a Card Game in Cuperly, France, During World War 1 (1915-1916)

Portrait of a group of French ambulance officers playing a card game in Cuperly, France, during World War 1, c. 1915-1916. By Raoul Berthelé.

Source: City Archives of Toulouse.

Portrait of Three French Soldiers Posing in a Bunk Room in a Dugout or Barracks Building Probably Somewhere in Northeastern France During World War 1

Portrait of three French soldiers posing in a bunk room in a dugout or barracks building probably somewhere in northeastern France during World War 1. By Raoul Berthelé.

Source: City Archives of Toulouse.

French Soldier Raoul Berthelé Posing With a Row of Captured German Artillery Pieces in Mercin-et-Vaux, France (1918)

French soldier Raoul Berthelé posing with a row of captured German artillery pieces in Mercin-et-Vaux, France, 1918. Attributed to Raoul Berthelé.

Source: City Archives of Toulouse.

German Soldiers Tending to an Injured Dog at a Field Hospital For Dogs During World War 1

German soldiers tending to an injured dog at a field hospital for dogs during World War 1.

Source: Royal Library, Denmark.

A Group of Italian POWs in a Prison Camp During World War 1

A group of Italian POWs in a prison camp during World War 1, location unknown.

Source: Royal Library, Denmark.

View Possibly Showing Dead, Dying, or Pinned Down Soldiers in No Man’s Land During World War 1 (1910's)

View possibly showing dead, dying, or pinned down soldiers in no man’s land during World War 1, location unknown.

SourceSan Diego Air and Space Museum.

Portrait of American Soldiers From Company C of the 115th Infantry Regiment in Camp McClellan Near Anniston, Alabama (1918)

Portrait of American soldiers from Company C of the 115th Infantry Regiment in Camp McClellan near Anniston, Alabama, April 1, 1918. By Novelty Photo Company.

Source: Library of Congress.

View of a Mock Charge by Ottoman Lancers in Palestine During World War 1 (1917)

View of a mock charge by Ottoman lancers in Palestine during World War 1, 1917. Attributed to the American Colony in Jerusalem.

Source: Library of Congress.