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Subject
- Alchemists6
- Alchemy6
- Alchemy in art6
- Blue collar workers1
- Boyle, Robert, 1627-16911
- Chemical industry1
- Dyes and dyeing1
- Dyes and dyeing--Chemistry1
- Employees1
- Factories1
- Families in art1
- Laboratories1
- Leeches1
- Metal-work1
- Pennsylvania--Philadelphia--Bridesburg1
- Perkin, William Henry, Sir, 1838-19071
- Rohm and Haas Company1
- Sulfuric acid1
- Teniers, David, 1610-16901
- Urine--Analysis1