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Subject
- Bredig, Georg, 1868-194455
- World War (1914-1918)47
- Scientific apparatus and instruments39
- Drugs--Catalogs38
- Therapeutics38
- Eli Lilly and Company37
- Chemical warfare30
- Chemists30
- United States. Army. Chemical Warfare Service28
- Edgewood Arsenal (Md.)27
- Maryland--Edgewood (Harford County)27
- Portraits23
- Scientific illustration22
- Employees21
- United States. Bureau of Chemistry and Soils21
- Drugs20
- Laboratories20
- Mustard gas18
- Rare earth industry17
- Rare earths17