Subject
- World War, 1914 1918. United States. Posters (647)
- Recruiting and Enlistment (266)
- World War, 1914 1918. Great Britain. Posters (220)
- Military Recruiting (210)
- Charitable Organization (188)
- War Finance (182)
- War Work (168)
- propaganda (152)
- Savings Bonds (144)
- world War, 1914 1918. France. Postcards (136)
- World War, 1914 1918. France. Postcards (113)
- Patriotism (106)
- bombardment (98)
- caricatures and Cartoons (94)
- Rationing and Conservation (93)
- Food Conservation (83)
- world War, 1914 1918. Italy. Postcards (74)
- Agriculture (71)
- Non Combatant Service (66)
- religion (61)