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Subjects
- Aisne, Battle of the, France, 1918.1
- Argonne, Battle of the, 1918.1
- Chateau-Thierry, Battle of, 1918.1
- Chemical Warfare--Safety Measures.1
- Chemical Warfare.1
- Chemical Weapons.1
- Communications, Military.1
- Gases, Asphyxiating and Poisonous--War Use.1
- Marne, 2nd Battle of the, France, 1918.1
- Military Assistance, French.1
- Military Intelligence.1
- Military Reconnaissance.1
- Saint-Mihiel (France), Battle of, 1918.1
- Signals and Signaling.1
- United States--History--1913-1921.1
- United States. Army.1
- World War, 1914-1918--Aerial Operations.1
- World War, 1914-1918--Campaigns-France.1
- World War, 1914-1918.1