Subjects
- World War, 1914-1918.[remove]2
- Aisne, Battle of the, France, 1918.1
- Argonne, Battle of the, 1918.1
- Books.1
- Chateau-Thierry, Battle of, 1918.1
- Chemical Warfare--Safety Measures.1
- Chemical Warfare.1
- Chemical Weapons.1
- Communications, Military.1
- Diaries.1
- Gases, Asphyxiating and Poisonous--War Use.1
- Letters (correspondence)1
- Marne, 2nd Battle of the, France, 1918.1
- Military Assistance, French.1
- Military Intelligence.1
- Military Reconnaissance.1
- Newspapers.1
- Orders (military records)1
- Photographic postcards.1
- Photographs.1