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Subjects
- Soldiers--United States.2
- World War, 1914-1918--France.2
- Advertising--Medicine.1
- Drugs, Nonprescription.1
- Medicine shows.1
- Medicine--Formulae, receipts, prescriptions.1
- Medicine--United States--History.1
- Patent medicines.1
- Quacks and quackery--United States.1
- Traveling sales personnel.1
- Vaudeville--United States.1
- World War, 1914-1918--Chemical warfare.1
- World War, 1914-1918--Trench warfare.1
- World War, 1914-1918--United States.1